18249070 has 24 divisors (see below), whose sum is σ = 38212344. Its totient is φ = 6256656.

The previous prime is 18249053. The next prime is 18249083. The reversal of 18249070 is 7094281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18132 + ... + 19111.

It is an arithmetic number, because the mean of its divisors is an integer number (1592181).

Almost surely, 2^18249070 is an apocalyptic number.

18249070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18249070 is an abundant number, since it is smaller than the sum of its proper divisors (19963274).

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

18249070 is a wasteful number, since it uses less digits than its factorization.

18249070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37264 (or 37257 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 18249070 is about 4271.8930230051. The cubic root of 18249070 is about 263.2773991474.

The spelling of 18249070 in words is "eighteen million, two hundred forty-nine thousand, seventy".