18304970 has 16 divisors (see below), whose sum is σ = 32997888. Its totient is φ = 7311120.

The previous prime is 18304963. The next prime is 18304997. The reversal of 18304970 is 7940381.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11567 + ... + 13053.

It is an arithmetic number, because the mean of its divisors is an integer number (2062368).

Almost surely, 2^18304970 is an apocalyptic number.

18304970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18304970 is a deficient number, since it is larger than the sum of its proper divisors (14692918).

18304970 is a wasteful number, since it uses less digits than its factorization.

18304970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 18304970 is about 4278.4307870994. The cubic root of 18304970 is about 263.5459462575.

The spelling of 18304970 in words is "eighteen million, three hundred four thousand, nine hundred seventy".