74432460 has 48 divisors (see below), whose sum is σ = 220673376. Its totient is φ = 18680832.

The previous prime is 74432459. The next prime is 74432471. The reversal of 74432460 is 6423447.

It is a super-2 number, since 2×74432460² = 11080382203303200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35467 + ... + 37506.

It is an arithmetic number, because the mean of its divisors is an integer number (4597362).

Almost surely, 2^74432460 is an apocalyptic number.

It is an amenable number.

74432460 is an abundant number, since it is smaller than the sum of its proper divisors (146240916).

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

74432460 is a wasteful number, since it uses less digits than its factorization.

74432460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73002 (or 73000 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 74432460 is about 8627.4248765202. The cubic root of 74432460 is about 420.6499008652.

The spelling of 74432460 in words is "seventy-four million, four hundred thirty-two thousand, four hundred sixty".