74631424 has 36 divisors (see below), whose sum is σ = 170257024. Its totient is φ = 31984128.

The previous prime is 74631409. The next prime is 74631443. The reversal of 74631424 is 42413647.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19032 + ... + 22615.

Almost surely, 2^74631424 is an apocalyptic number.

It is an amenable number.

74631424 is an abundant number, since it is smaller than the sum of its proper divisors (95625600).

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

74631424 is an equidigital number, since it uses as much as digits as its factorization.

74631424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41670 (or 41656 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 74631424 is about 8638.9480841130. The cubic root of 74631424 is about 421.0243778234.

The spelling of 74631424 in words is "seventy-four million, six hundred thirty-one thousand, four hundred twenty-four".