74485900 has 18 divisors (see below), whose sum is σ = 161634620. Its totient is φ = 29794320.

The previous prime is 74485813. The next prime is 74485903. The reversal of 74485900 is 958447.

It is a self number, because there is not a number n which added to its sum of digits gives 74485900.

It is not an unprimeable number, because it can be changed into a prime (74485903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 372330 + ... + 372529.

Almost surely, 2^74485900 is an apocalyptic number.

It is an amenable number.

74485900 is an abundant number, since it is smaller than the sum of its proper divisors (87148720).

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

74485900 is a wasteful number, since it uses less digits than its factorization.

74485900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744873 (or 744866 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 74485900 is about 8630.5214210962. The cubic root of 74485900 is about 420.7505476036.

The spelling of 74485900 in words is "seventy-four million, four hundred eighty-five thousand, nine hundred".