74328424 has 16 divisors (see below), whose sum is σ = 142607520. Its totient is φ = 36299760.

The previous prime is 74328389. The next prime is 74328431. The reversal of 74328424 is 42482347.

It is a super-2 number, since 2×74328424² = 11049429228647552, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74328424.

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, 107692 + ... + 108379.

It is an arithmetic number, because the mean of its divisors is an integer number (8912970).

Almost surely, 2^74328424 is an apocalyptic number.

It is an amenable number.

74328424 is a deficient number, since it is larger than the sum of its proper divisors (68279096).

74328424 is a wasteful number, since it uses less digits than its factorization.

74328424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216120 (or 216116 counting only the distinct ones).

The product of its digits is 43008, while the sum is 34.

The square root of 74328424 is about 8621.3933908621. The cubic root of 74328424 is about 420.4538253970.

The spelling of 74328424 in words is "seventy-four million, three hundred twenty-eight thousand, four hundred twenty-four".