74664424 has 16 divisors (see below), whose sum is σ = 140192100. Its totient is φ = 37279872.

The previous prime is 74664419. The next prime is 74664431. The reversal of 74664424 is 42446647.

It can be written as a sum of positive squares in 2 ways, for example, as 67535524 + 7128900 = 8218^2 + 2670^2 .

It is a super-2 number, since 2×74664424² = 11149552422503552, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 109 + ... + 12220.

Almost surely, 2^74664424 is an apocalyptic number.

It is an amenable number.

74664424 is a deficient number, since it is larger than the sum of its proper divisors (65527676).

74664424 is a wasteful number, since it uses less digits than its factorization.

74664424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13092 (or 13088 counting only the distinct ones).

The product of its digits is 129024, while the sum is 37.

The square root of 74664424 is about 8640.8578277854. The cubic root of 74664424 is about 421.0864238822.

The spelling of 74664424 in words is "seventy-four million, six hundred sixty-four thousand, four hundred twenty-four".