18107070 has 16 divisors (see below), whose sum is σ = 43457040. Its totient is φ = 4828544.

The previous prime is 18107051. The next prime is 18107071. The reversal of 18107070 is 7070181.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 18107070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18107071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301755 + ... + 301814.

It is an arithmetic number, because the mean of its divisors is an integer number (2716065).

Almost surely, 2^18107070 is an apocalyptic number.

18107070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18107070 is an abundant number, since it is smaller than the sum of its proper divisors (25349970).

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

18107070 is a wasteful number, since it uses less digits than its factorization.

18107070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603579.

The product of its (nonzero) digits is 392, while the sum is 24.

The square root of 18107070 is about 4255.2402987375. The cubic root of 18107070 is about 262.5927472718.

The spelling of 18107070 in words is "eighteen million, one hundred seven thousand, seventy".