725902363730 has 16 divisors (see below), whose sum is σ = 1308030756120. Its totient is φ = 290048389632.

The previous prime is 725902363691. The next prime is 725902363759. The reversal of 725902363730 is 37363209527.

It can be written as a sum of positive squares in 4 ways, for example, as 388790907961 + 337111455769 = 623531^2 + 580613^2 .

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, 39059729 + ... + 39078308.

Almost surely, 2^725902363730 is an apocalyptic number.

725902363730 is a deficient number, since it is larger than the sum of its proper divisors (582128392390).

725902363730 is a wasteful number, since it uses less digits than its factorization.

725902363730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78138973.

The product of its (nonzero) digits is 1428840, while the sum is 47.

The spelling of 725902363730 in words is "seven hundred twenty-five billion, nine hundred two million, three hundred sixty-three thousand, seven hundred thirty".