725024007703664 has 80 divisors (see below), whose sum is σ = 1507990626753120. Its totient is φ = 336458091847680.

The previous prime is 725024007703663. The next prime is 725024007703693. The reversal of 725024007703664 is 466307700420527.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725024007703663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116683619 + ... + 122740029.

It is an arithmetic number, because the mean of its divisors is an integer number (18849882834414).

Almost surely, 2^{725024007703664} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 725024007703664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753995313376560).

725024007703664 is an abundant number, since it is smaller than the sum of its proper divisors (782966619049456).

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

725024007703664 is a wasteful number, since it uses less digits than its factorization.

725024007703664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6062538 (or 6062532 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 53.

The spelling of 725024007703664 in words is "seven hundred twenty-five trillion, twenty-four billion, seven million, seven hundred three thousand, six hundred sixty-four".