725300900 has 18 divisors (see below), whose sum is σ = 1573903170. Its totient is φ = 290120320.

The previous prime is 725300887. The next prime is 725300911. The reversal of 725300900 is 9003527.

It can be written as a sum of positive squares in 3 ways, for example, as 9096256 + 716204644 = 3016^2 + 26762^2 .

It is a super-2 number, since 2×725300900² = 1052122791081620000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 725300900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3626405 + ... + 3626604.

It is an arithmetic number, because the mean of its divisors is an integer number (87439065).

Almost surely, 2^725300900 is an apocalyptic number.

It is an amenable number.

725300900 is an abundant number, since it is smaller than the sum of its proper divisors (848602270).

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

725300900 is a wasteful number, since it uses less digits than its factorization.

725300900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7253023 (or 7253016 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 725300900 is about 26931.4110287597. The cubic root of 725300900 is about 898.4751545806.

The spelling of 725300900 in words is "seven hundred twenty-five million, three hundred thousand, nine hundred".