18772053 has 12 divisors (see below), whose sum is σ = 25300224. Its totient is φ = 12380400.

The previous prime is 18772049. The next prime is 18772069. The reversal of 18772053 is 35027781.

It is not a de Polignac number, because 18772053 - 2² = 18772049 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18770053) 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, 98188 + ... + 98378.

It is an arithmetic number, because the mean of its divisors is an integer number (2108352).

Almost surely, 2^18772053 is an apocalyptic number.

It is an amenable number.

18772053 is a deficient number, since it is larger than the sum of its proper divisors (6528171).

18772053 is an equidigital number, since it uses as much as digits as its factorization.

18772053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 18772053 is about 4332.6727316981. The cubic root of 18772053 is about 265.7687561967.

The spelling of 18772053 in words is "eighteen million, seven hundred seventy-two thousand, fifty-three".