725713217632 has 48 divisors (see below), whose sum is σ = 1552268067840. Its totient is φ = 331980429312.

The previous prime is 725713217599. The next prime is 725713217687. The reversal of 725713217632 is 236712317527.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7672032 + ... + 7766047.

It is an arithmetic number, because the mean of its divisors is an integer number (32338918080).

Almost surely, 2^725713217632 is an apocalyptic number.

It is an amenable number.

725713217632 is an abundant number, since it is smaller than the sum of its proper divisors (826554850208).

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

725713217632 is a wasteful number, since it uses less digits than its factorization.

725713217632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15438215 (or 15438207 counting only the distinct ones).

The product of its digits is 740880, while the sum is 46.

The spelling of 725713217632 in words is "seven hundred twenty-five billion, seven hundred thirteen million, two hundred seventeen thousand, six hundred thirty-two".