74206900 has 18 divisors (see below), whose sum is σ = 161029190. Its totient is φ = 29682720.

The previous prime is 74206889. The next prime is 74206939. The reversal of 74206900 is 960247.

It can be written as a sum of positive squares in 3 ways, for example, as 178084 + 74028816 = 422^2 + 8604^2 .

It is a super-2 number, since 2×74206900² = 11013328015220000, which contains 22 as substring.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 370935 + ... + 371134.

Almost surely, 2^74206900 is an apocalyptic number.

It is an amenable number.

74206900 is an abundant number, since it is smaller than the sum of its proper divisors (86822290).

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

74206900 is a wasteful number, since it uses less digits than its factorization.

74206900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742083 (or 742076 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 74206900 is about 8614.3426911169. The cubic root of 74206900 is about 420.2245586757.

The spelling of 74206900 in words is "seventy-four million, two hundred six thousand, nine hundred".