725972830 has 16 divisors (see below), whose sum is σ = 1425546864. Its totient is φ = 263990080.

The previous prime is 725972813. The next prime is 725972833. The reversal of 725972830 is 38279527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725972833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3299767 + ... + 3299986.

It is an arithmetic number, because the mean of its divisors is an integer number (89096679).

Almost surely, 2^725972830 is an apocalyptic number.

725972830 is a deficient number, since it is larger than the sum of its proper divisors (699574034).

725972830 is a wasteful number, since it uses less digits than its factorization.

725972830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6599771.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 725972830 is about 26943.8829792589. The cubic root of 725972830 is about 898.7525227171.

It can be divided in two parts, 7259 and 72830, that added together give a square (80089 = 283²).

The spelling of 725972830 in words is "seven hundred twenty-five million, nine hundred seventy-two thousand, eight hundred thirty".