18608672 has 12 divisors (see below), whose sum is σ = 36635886. Its totient is φ = 9304320.

The previous prime is 18608627. The next prime is 18608717. The reversal of 18608672 is 27680681.

It is an interprime number because it is at equal distance from previous prime (18608627) and next prime (18608717).

It can be written as a sum of positive squares in only one way, i.e., 17272336 + 1336336 = 4156^2 + 1156^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290729 + ... + 290792.

Almost surely, 2^18608672 is an apocalyptic number.

It is an amenable number.

18608672 is a deficient number, since it is larger than the sum of its proper divisors (18027214).

18608672 is an equidigital number, since it uses as much as digits as its factorization.

18608672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581531 (or 581523 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 18608672 is about 4313.7769993360. The cubic root of 18608672 is about 264.9954763675.

The spelling of 18608672 in words is "eighteen million, six hundred eight thousand, six hundred seventy-two".