189725004 has 60 divisors (see below), whose sum is σ = 566839504. Its totient is φ = 54206496.

The previous prime is 189724963. The next prime is 189725021. The reversal of 189725004 is 400527981.

189725004 is a `hidden beast` number, since 1 + 89 + 72 + 500 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 189725004.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39559 + ... + 44094.

Almost surely, 2^189725004 is an apocalyptic number.

189725004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

189725004 is an abundant number, since it is smaller than the sum of its proper divisors (377114500).

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

189725004 is a wasteful number, since it uses less digits than its factorization.

189725004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83676 (or 83665 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 189725004 is about 13774.0699867541. The cubic root of 189725004 is about 574.6122189418.

The spelling of 189725004 in words is "one hundred eighty-nine million, seven hundred twenty-five thousand, four".