725385192 has 64 divisors (see below), whose sum is σ = 2181619200. Its totient is φ = 196344000.

The previous prime is 725385191. The next prime is 725385251. The reversal of 725385192 is 291583527.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (725385191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110434 + ... + 116817.

It is an arithmetic number, because the mean of its divisors is an integer number (34087800).

Almost surely, 2^725385192 is an apocalyptic number.

It is an amenable number.

725385192 is an abundant number, since it is smaller than the sum of its proper divisors (1456234008).

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

725385192 is a wasteful number, since it uses less digits than its factorization.

725385192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227286 (or 227282 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The square root of 725385192 is about 26932.9759217209. The cubic root of 725385192 is about 898.5099591397.

The spelling of 725385192 in words is "seven hundred twenty-five million, three hundred eighty-five thousand, one hundred ninety-two".