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74610340 = 22572194007
BaseRepresentation
bin1000111001001…
…11011010100100
312012101121010221
410130213122210
5123100012330
611223054124
71564114600
oct434473244
9165347127
1074610340
113912a942
1220ba1344
13125c413c
149ca2500
15683bb7a
hex47276a4

74610340 has 72 divisors (see below), whose sum is σ = 191903040. Its totient is φ = 24228288.

The previous prime is 74610323. The next prime is 74610353. The reversal of 74610340 is 4301647.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16617 + ... + 20623.

It is an arithmetic number, because the mean of its divisors is an integer number (2665320).

Almost surely, 274610340 is an apocalyptic number.

74610340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74610340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95951520).

74610340 is an abundant number, since it is smaller than the sum of its proper divisors (117292700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74610340 is a wasteful number, since it uses less digits than its factorization.

74610340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049 (or 4040 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 74610340 is about 8637.7277104572. The cubic root of 74610340 is about 420.9847264560.

Adding to 74610340 its reverse (4301647), we get a palindrome (78911987).

The spelling of 74610340 in words is "seventy-four million, six hundred ten thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 49 70 76 95 98 133 140 190 196 245 266 380 490 532 665 931 980 1330 1862 2660 3724 4007 4655 8014 9310 16028 18620 20035 28049 40070 56098 76133 80140 112196 140245 152266 196343 280490 304532 380665 392686 532931 560980 761330 785372 981715 1065862 1522660 1963430 2131724 2664655 3730517 3926860 5329310 7461034 10658620 14922068 18652585 37305170 74610340