18734152 has 32 divisors (see below), whose sum is σ = 37620000. Its totient is φ = 8719488.

The previous prime is 18734147. The next prime is 18734161. The reversal of 18734152 is 25143781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7924 + ... + 10012.

It is an arithmetic number, because the mean of its divisors is an integer number (1175625).

Almost surely, 2^18734152 is an apocalyptic number.

It is an amenable number.

18734152 is an abundant number, since it is smaller than the sum of its proper divisors (18885848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18734152 is a wasteful number, since it uses less digits than its factorization.

18734152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173 (or 2169 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 18734152 is about 4328.2966626607. The cubic root of 18734152 is about 265.5897722510.

The spelling of 18734152 in words is "eighteen million, seven hundred thirty-four thousand, one hundred fifty-two".