74891400 has 48 divisors (see below), whose sum is σ = 232165200. Its totient is φ = 19970880.

The previous prime is 74891363. The next prime is 74891413. The reversal of 74891400 is 419847.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61810 + ... + 63009.

It is an arithmetic number, because the mean of its divisors is an integer number (4836775).

Almost surely, 2^74891400 is an apocalyptic number.

It is an amenable number.

74891400 is an abundant number, since it is smaller than the sum of its proper divisors (157273800).

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

74891400 is a wasteful number, since it uses less digits than its factorization.

74891400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124838 (or 124829 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 74891400 is about 8653.9817425275. The cubic root of 74891400 is about 421.5126859092.

The spelling of 74891400 in words is "seventy-four million, eight hundred ninety-one thousand, four hundred".