Search a number
-
+
74734470 = 2325830383
BaseRepresentation
bin1000111010001…
…01101110000110
312012121220102100
410131011232012
5123113000340
611225452530
71565142516
oct435055606
9165556370
1074734470
1139205128
1221041146
13126387a5
149cd5846
156863830
hex4745b86

74734470 has 24 divisors (see below), whose sum is σ = 194309856. Its totient is φ = 19929168.

The previous prime is 74734463. The next prime is 74734489. The reversal of 74734470 is 7443747.

It is a Curzon number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 415102 + ... + 415281.

It is an arithmetic number, because the mean of its divisors is an integer number (8096244).

Almost surely, 274734470 is an apocalyptic number.

74734470 is an abundant number, since it is smaller than the sum of its proper divisors (119575386).

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

74734470 is a wasteful number, since it uses less digits than its factorization.

74734470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830396 (or 830393 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 36.

The square root of 74734470 is about 8644.9100631528. The cubic root of 74734470 is about 421.2180626610.

The spelling of 74734470 in words is "seventy-four million, seven hundred thirty-four thousand, four hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 830383 1660766 2491149 4151915 4982298 7473447 8303830 12455745 14946894 24911490 37367235 74734470