67922920 has 32 divisors (see below), whose sum is σ = 164583720. Its totient is φ = 25079040.

The previous prime is 67922867. The next prime is 67922947. The reversal of 67922920 is 2922976.

It can be written as a sum of positive squares in 4 ways, for example, as 17994564 + 49928356 = 4242^2 + 7066^2 .

It is a super-2 number, since 2×67922920² = 9227046122652800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67922920.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64791 + ... + 65830.

Almost surely, 2^67922920 is an apocalyptic number.

It is an amenable number.

67922920 is an abundant number, since it is smaller than the sum of its proper divisors (96660800).

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

67922920 is a wasteful number, since it uses less digits than its factorization.

67922920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130645 (or 130641 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 67922920 is about 8241.5362645565. The cubic root of 67922920 is about 408.0112293462.

The spelling of 67922920 in words is "sixty-seven million, nine hundred twenty-two thousand, nine hundred twenty".