18130074 has 16 divisors (see below), whose sum is σ = 37240608. Its totient is φ = 5879952.

The previous prime is 18130069. The next prime is 18130087. The reversal of 18130074 is 47003181.

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, 40612 + ... + 41055.

It is an arithmetic number, because the mean of its divisors is an integer number (2327538).

Almost surely, 2^18130074 is an apocalyptic number.

18130074 is an abundant number, since it is smaller than the sum of its proper divisors (19110534).

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

18130074 is a wasteful number, since it uses less digits than its factorization.

18130074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81709.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 18130074 is about 4257.9424608606. The cubic root of 18130074 is about 262.7039032502.

The spelling of 18130074 in words is "eighteen million, one hundred thirty thousand, seventy-four".