38690075 has 6 divisors (see below), whose sum is σ = 47975724. Its totient is φ = 30952040.

The previous prime is 38690039. The next prime is 38690081. The reversal of 38690075 is 57009683.

It is a de Polignac number, because none of the positive numbers 2^k-38690075 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 773777 + ... + 773826.

It is an arithmetic number, because the mean of its divisors is an integer number (7995954).

Almost surely, 2^38690075 is an apocalyptic number.

38690075 is a deficient number, since it is larger than the sum of its proper divisors (9285649).

38690075 is a wasteful number, since it uses less digits than its factorization.

38690075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547613 (or 1547608 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 38690075 is about 6220.1346448449. The cubic root of 38690075 is about 338.2204454581.

The spelling of 38690075 in words is "thirty-eight million, six hundred ninety thousand, seventy-five".