74485400 has 48 divisors (see below), whose sum is σ = 188927640. Its totient is φ = 27084800.

The previous prime is 74485399. The next prime is 74485423. The reversal of 74485400 is 458447.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14729 + ... + 19128.

Almost surely, 2^74485400 is an apocalyptic number.

It is an amenable number.

74485400 is an abundant number, since it is smaller than the sum of its proper divisors (114442240).

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

74485400 is a wasteful number, since it uses less digits than its factorization.

74485400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33884 (or 33875 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 74485400 is about 8630.4924540839. The cubic root of 74485400 is about 420.7496061470.

The spelling of 74485400 in words is "seventy-four million, four hundred eighty-five thousand, four hundred".