18496672 has 12 divisors (see below), whose sum is σ = 36415386. Its totient is φ = 9248320.

The previous prime is 18496649. The next prime is 18496691. The reversal of 18496672 is 27669481.

It can be written as a sum of positive squares in only one way, i.e., 17338896 + 1157776 = 4164^2 + 1076^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288979 + ... + 289042.

Almost surely, 2^18496672 is an apocalyptic number.

It is an amenable number.

18496672 is a deficient number, since it is larger than the sum of its proper divisors (17918714).

18496672 is an equidigital number, since it uses as much as digits as its factorization.

18496672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578031 (or 578023 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 18496672 is about 4300.7757439792. The cubic root of 18496672 is about 264.4627634970.

The spelling of 18496672 in words is "eighteen million, four hundred ninety-six thousand, six hundred seventy-two".