74640460 has 24 divisors (see below), whose sum is σ = 157187520. Its totient is φ = 29771904.

The previous prime is 74640457. The next prime is 74640481. The reversal of 74640460 is 6404647.

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, 2256 + ... + 12424.

It is an arithmetic number, because the mean of its divisors is an integer number (6549480).

Almost surely, 2^74640460 is an apocalyptic number.

It is an amenable number.

74640460 is an abundant number, since it is smaller than the sum of its proper divisors (82547060).

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

74640460 is a wasteful number, since it uses less digits than its factorization.

74640460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10545 (or 10543 counting only the distinct ones).

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

The square root of 74640460 is about 8639.4710486233. The cubic root of 74640460 is about 421.0413689805.

The spelling of 74640460 in words is "seventy-four million, six hundred forty thousand, four hundred sixty".