18620075 has 12 divisors (see below), whose sum is σ = 23627208. Its totient is φ = 14548800.

The previous prime is 18620051. The next prime is 18620089. The reversal of 18620075 is 57002681.

It is not a de Polignac number, because 18620075 - 2⁶ = 18620011 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7586 + ... + 9735.

It is an arithmetic number, because the mean of its divisors is an integer number (1968934).

Almost surely, 2^18620075 is an apocalyptic number.

18620075 is a deficient number, since it is larger than the sum of its proper divisors (5007133).

18620075 is a wasteful number, since it uses less digits than its factorization.

18620075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17374 (or 17369 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 18620075 is about 4315.0984925028. The cubic root of 18620075 is about 265.0495931866.

The spelling of 18620075 in words is "eighteen million, six hundred twenty thousand, seventy-five".