18107970 has 32 divisors (see below), whose sum is σ = 43761600. Its totient is φ = 4795200.

The previous prime is 18107959. The next prime is 18107981. The reversal of 18107970 is 7970181.

It is an interprime number because it is at equal distance from previous prime (18107959) and next prime (18107981).

It is a Curzon 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, 2445 + ... + 6495.

It is an arithmetic number, because the mean of its divisors is an integer number (1367550).

Almost surely, 2^18107970 is an apocalyptic number.

18107970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18107970 is an abundant number, since it is smaller than the sum of its proper divisors (25653630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18107970 is a wasteful number, since it uses less digits than its factorization.

18107970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4210.

The product of its (nonzero) digits is 3528, while the sum is 33.

The square root of 18107970 is about 4255.3460493831. The cubic root of 18107970 is about 262.5970978662.

The spelling of 18107970 in words is "eighteen million, one hundred seven thousand, nine hundred seventy".