74181264 has 40 divisors (see below), whose sum is σ = 197820672. Its totient is φ = 23928960.

The previous prime is 74181257. The next prime is 74181271. The reversal of 74181264 is 46218147.

It is an interprime number because it is at equal distance from previous prime (74181257) and next prime (74181271).

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 7 ways as a sum of consecutive naturals, for example, 23439 + ... + 26414.

Almost surely, 2^74181264 is an apocalyptic number.

It is an amenable number.

74181264 is an abundant number, since it is smaller than the sum of its proper divisors (123639408).

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

74181264 is a wasteful number, since it uses less digits than its factorization.

74181264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49895 (or 49889 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 74181264 is about 8612.8545790580. The cubic root of 74181264 is about 420.1761619292.

The spelling of 74181264 in words is "seventy-four million, one hundred eighty-one thousand, two hundred sixty-four".