18310070 has 16 divisors (see below), whose sum is σ = 34391520. Its totient is φ = 7005504.

The previous prime is 18310063. The next prime is 18310087. The reversal of 18310070 is 7001381.

It is a Curzon number.

It is a congruent number.

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, 39575 + ... + 40034.

It is an arithmetic number, because the mean of its divisors is an integer number (2149470).

Almost surely, 2^18310070 is an apocalyptic number.

18310070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18310070 is a deficient number, since it is larger than the sum of its proper divisors (16081450).

18310070 is a wasteful number, since it uses less digits than its factorization.

18310070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79639.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 18310070 is about 4279.0267585048. The cubic root of 18310070 is about 263.5704197478.

The spelling of 18310070 in words is "eighteen million, three hundred ten thousand, seventy".