18790975 has 12 divisors (see below), whose sum is σ = 26629744. Its totient is φ = 12885120.

The previous prime is 18790939. The next prime is 18790979. The reversal of 18790975 is 57909781.

It is not a de Polignac number, because 18790975 - 2⁷ = 18790847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18790979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53514 + ... + 53863.

Almost surely, 2^18790975 is an apocalyptic number.

18790975 is a deficient number, since it is larger than the sum of its proper divisors (7838769).

18790975 is a wasteful number, since it uses less digits than its factorization.

18790975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107394 (or 107389 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 46.

The square root of 18790975 is about 4334.8558222852. The cubic root of 18790975 is about 265.8580234293.

The spelling of 18790975 in words is "eighteen million, seven hundred ninety thousand, nine hundred seventy-five".