725077284 has 24 divisors (see below), whose sum is σ = 1694253120. Its totient is φ = 241348704.

The previous prime is 725077279. The next prime is 725077291. The reversal of 725077284 is 482770527.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34104 + ... + 51119.

It is an arithmetic number, because the mean of its divisors is an integer number (70593880).

Almost surely, 2^725077284 is an apocalyptic number.

It is an amenable number.

725077284 is an abundant number, since it is smaller than the sum of its proper divisors (969175836).

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

725077284 is a wasteful number, since it uses less digits than its factorization.

725077284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85939 (or 85937 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 42.

The square root of 725077284 is about 26927.2591252805. The cubic root of 725077284 is about 898.3828094259.

The spelling of 725077284 in words is "seven hundred twenty-five million, seventy-seven thousand, two hundred eighty-four".