725057500 has 30 divisors (see below), whose sum is σ = 1585561208. Its totient is φ = 290022000.

The previous prime is 725057471. The next prime is 725057503. The reversal of 725057500 is 5750527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725057503) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 142512 + ... + 147511.

Almost surely, 2^725057500 is an apocalyptic number.

It is an amenable number.

725057500 is an abundant number, since it is smaller than the sum of its proper divisors (860503708).

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

725057500 is a wasteful number, since it uses less digits than its factorization.

725057500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290047 (or 290030 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 31.

The square root of 725057500 is about 26926.8917626970. The cubic root of 725057500 is about 898.3746384500.

The spelling of 725057500 in words is "seven hundred twenty-five million, fifty-seven thousand, five hundred".