18995572 has 12 divisors (see below), whose sum is σ = 33738880. Its totient is φ = 9355896.

The previous prime is 18995533. The next prime is 18995597. The reversal of 18995572 is 27559981.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35172 + ... + 35707.

Almost surely, 2^18995572 is an apocalyptic number.

It is an amenable number.

18995572 is a deficient number, since it is larger than the sum of its proper divisors (14743308).

18995572 is a wasteful number, since it uses less digits than its factorization.

18995572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70950 (or 70948 counting only the distinct ones).

The product of its digits is 226800, while the sum is 46.

The square root of 18995572 is about 4358.3909875090. The cubic root of 18995572 is about 266.8194339941.

The spelling of 18995572 in words is "eighteen million, nine hundred ninety-five thousand, five hundred seventy-two".