38057720 has 32 divisors (see below), whose sum is σ = 85806000. Its totient is φ = 15191808.

The previous prime is 38057699. The next prime is 38057737. The reversal of 38057720 is 2775083.

38057720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 35756 + ... + 36804.

Almost surely, 2^38057720 is an apocalyptic number.

It is an amenable number.

38057720 is an abundant number, since it is smaller than the sum of its proper divisors (47748280).

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

38057720 is a wasteful number, since it uses less digits than its factorization.

38057720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 38057720 is about 6169.0939367139. The cubic root of 38057720 is about 336.3676766896.

The spelling of 38057720 in words is "thirty-eight million, fifty-seven thousand, seven hundred twenty".