725973980 has 12 divisors (see below), whose sum is σ = 1524545400. Its totient is φ = 290389584.

The previous prime is 725973971. The next prime is 725973991. The reversal of 725973980 is 89379527.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18149330 + ... + 18149369.

It is an arithmetic number, because the mean of its divisors is an integer number (127045450).

Almost surely, 2^725973980 is an apocalyptic number.

It is an amenable number.

725973980 is an abundant number, since it is smaller than the sum of its proper divisors (798571420).

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

725973980 is a wasteful number, since it uses less digits than its factorization.

725973980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36298708 (or 36298706 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 50.

The square root of 725973980 is about 26943.9043199014. The cubic root of 725973980 is about 898.7529972825.

The spelling of 725973980 in words is "seven hundred twenty-five million, nine hundred seventy-three thousand, nine hundred eighty".