18975670 has 32 divisors (see below), whose sum is σ = 39207168. Its totient is φ = 6477408.

The previous prime is 18975653. The next prime is 18975679. The reversal of 18975670 is 7657981.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18975679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21049 + ... + 21931.

It is an arithmetic number, because the mean of its divisors is an integer number (1225224).

Almost surely, 2^18975670 is an apocalyptic number.

18975670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18975670 is an abundant number, since it is smaller than the sum of its proper divisors (20231498).

18975670 is a wasteful number, since it uses less digits than its factorization.

18975670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 18975670 is about 4356.1072071289. The cubic root of 18975670 is about 266.7262176031.

The spelling of 18975670 in words is "eighteen million, nine hundred seventy-five thousand, six hundred seventy".