38180725 has 24 divisors (see below), whose sum is σ = 54692928. Its totient is φ = 26131200.

The previous prime is 38180711. The next prime is 38180731. The reversal of 38180725 is 52708183.

It is not a de Polignac number, because 38180725 - 2¹⁵ = 38147957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 592 + ... + 8758.

It is an arithmetic number, because the mean of its divisors is an integer number (2278872).

Almost surely, 2^38180725 is an apocalyptic number.

It is an amenable number.

38180725 is a deficient number, since it is larger than the sum of its proper divisors (16512203).

38180725 is a wasteful number, since it uses less digits than its factorization.

38180725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8205 (or 8200 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 38180725 is about 6179.0553485140. The cubic root of 38180725 is about 336.7296742947.

Subtracting from 38180725 its sum of digits (34), we obtain a triangular number (38180691 = T₈₇₃₈).

The spelling of 38180725 in words is "thirty-eight million, one hundred eighty thousand, seven hundred twenty-five".