18725032 has 16 divisors (see below), whose sum is σ = 36957600. Its totient is φ = 8869680.

The previous prime is 18725029. The next prime is 18725033. The reversal of 18725032 is 23052781.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (18725033) 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, 61444 + ... + 61747.

It is an arithmetic number, because the mean of its divisors is an integer number (2309850).

Almost surely, 2^18725032 is an apocalyptic number.

It is an amenable number.

18725032 is a deficient number, since it is larger than the sum of its proper divisors (18232568).

18725032 is a wasteful number, since it uses less digits than its factorization.

18725032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123216 (or 123212 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 18725032 is about 4327.2430021897. The cubic root of 18725032 is about 265.5466678735.

The spelling of 18725032 in words is "eighteen million, seven hundred twenty-five thousand, thirty-two".