38728075 has 12 divisors (see below), whose sum is σ = 48124648. Its totient is φ = 30916800.

The previous prime is 38728043. The next prime is 38728093. The reversal of 38728075 is 57082783.

It is not a de Polignac number, because 38728075 - 2⁵ = 38728043 is a prime.

It is a Duffinian number.

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, 12919 + ... + 15631.

Almost surely, 2^38728075 is an apocalyptic number.

38728075 is a deficient number, since it is larger than the sum of its proper divisors (9396573).

38728075 is a wasteful number, since it uses less digits than its factorization.

38728075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294 (or 3289 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 38728075 is about 6223.1884914407. The cubic root of 38728075 is about 338.3311385450.

The spelling of 38728075 in words is "thirty-eight million, seven hundred twenty-eight thousand, seventy-five".