18485570 has 32 divisors (see below), whose sum is σ = 34933248. Its totient is φ = 7034688.

The previous prime is 18485563. The next prime is 18485587. The reversal of 18485570 is 7558481.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16859 + ... + 17921.

It is an arithmetic number, because the mean of its divisors is an integer number (1091664).

Almost surely, 2^18485570 is an apocalyptic number.

18485570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18485570 is a deficient number, since it is larger than the sum of its proper divisors (16447678).

18485570 is a wasteful number, since it uses less digits than its factorization.

18485570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 18485570 is about 4299.4848528632. The cubic root of 18485570 is about 264.4098413061.

The spelling of 18485570 in words is "eighteen million, four hundred eighty-five thousand, five hundred seventy".