18072892 has 12 divisors (see below), whose sum is σ = 31707760. Its totient is φ = 9013536.

The previous prime is 18072889. The next prime is 18072893. The reversal of 18072892 is 29827081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18072893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3888 + ... + 7159.

Almost surely, 2^18072892 is an apocalyptic number.

It is an amenable number.

18072892 is a deficient number, since it is larger than the sum of its proper divisors (13634868).

18072892 is a wasteful number, since it uses less digits than its factorization.

18072892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11460 (or 11458 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 18072892 is about 4251.2224124362. Note that the first 3 decimals coincide. The cubic root of 18072892 is about 262.4274242294.

The spelling of 18072892 in words is "eighteen million, seventy-two thousand, eight hundred ninety-two".