18620074 has 16 divisors (see below), whose sum is σ = 30573216. Its totient is φ = 8434800.

The previous prime is 18620051. The next prime is 18620089. The reversal of 18620074 is 47002681.

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, 6004 + ... + 8560.

It is an arithmetic number, because the mean of its divisors is an integer number (1910826).

Almost surely, 2^18620074 is an apocalyptic number.

18620074 is a deficient number, since it is larger than the sum of its proper divisors (11953142).

18620074 is a wasteful number, since it uses less digits than its factorization.

18620074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 18620074 is about 4315.0983766306. The cubic root of 18620074 is about 265.0495884417.

The spelling of 18620074 in words is "eighteen million, six hundred twenty thousand, seventy-four".