19900075 has 12 divisors (see below), whose sum is σ = 26574688. Its totient is φ = 14695200.

The previous prime is 19900057. The next prime is 19900123. The reversal of 19900075 is 57000991.

It is not a de Polignac number, because 19900075 - 2⁷ = 19899947 is a prime.

It is a Duffinian 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, 30291 + ... + 30940.

Almost surely, 2^19900075 is an apocalyptic number.

19900075 is a deficient number, since it is larger than the sum of its proper divisors (6674613).

19900075 is a wasteful number, since it uses less digits than its factorization.

19900075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61254 (or 61249 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 19900075 is about 4460.9500109282. The cubic root of 19900075 is about 270.9889430545.

The spelling of 19900075 in words is "nineteen million, nine hundred thousand, seventy-five".