18730173025 has 12 divisors (see below), whose sum is σ = 23238947632. Its totient is φ = 14975407440.

The previous prime is 18730173013. The next prime is 18730173047. The reversal of 18730173025 is 52037103781.

It is not a de Polignac number, because 18730173025 - 2⁷ = 18730172897 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, 174339 + ... + 260488.

Almost surely, 2^18730173025 is an apocalyptic number.

It is an amenable number.

18730173025 is a deficient number, since it is larger than the sum of its proper divisors (4508774607).

18730173025 is a wasteful number, since it uses less digits than its factorization.

18730173025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436560 (or 436555 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The spelling of 18730173025 in words is "eighteen billion, seven hundred thirty million, one hundred seventy-three thousand, twenty-five".