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74080884 = 223231391931
BaseRepresentation
bin1000110101001…
…10001001110100
312011101200212110
410122212021310
5122431042014
611203451020
71556451153
oct432461164
9164350773
1074080884
11388a9079
1220986a70
131246a157
149ba559a
156784d59
hex46a6274

74080884 has 48 divisors (see below), whose sum is σ = 181762560. Its totient is φ = 23437920.

The previous prime is 74080871. The next prime is 74080889. The reversal of 74080884 is 48808047.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74080889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37399 + ... + 39329.

It is an arithmetic number, because the mean of its divisors is an integer number (3786720).

Almost surely, 274080884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74080884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90881280).

74080884 is an abundant number, since it is smaller than the sum of its proper divisors (107681676).

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

74080884 is a wasteful number, since it uses less digits than its factorization.

74080884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100 (or 2098 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 74080884 is about 8607.0252700919. The cubic root of 74080884 is about 419.9865528574.

The spelling of 74080884 in words is "seventy-four million, eighty thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 139 276 278 417 556 834 1668 1931 3197 3862 5793 6394 7724 9591 11586 12788 19182 23172 38364 44413 88826 133239 177652 266478 268409 532956 536818 805227 1073636 1610454 3220908 6173407 12346814 18520221 24693628 37040442 74080884