725606174801720 has 64 divisors (see below), whose sum is σ = 1635287109480000. Its totient is φ = 289767602976768.

The previous prime is 725606174801707. The next prime is 725606174801723. The reversal of 725606174801720 is 27108471606527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725606174801723) 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, 56714429 + ... + 68320851.

It is an arithmetic number, because the mean of its divisors is an integer number (25551361085625).

Almost surely, 2^{725606174801720} is an apocalyptic number.

It is an amenable number.

725606174801720 is an abundant number, since it is smaller than the sum of its proper divisors (909680934678280).

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

725606174801720 is a wasteful number, since it uses less digits than its factorization.

725606174801720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11608992 (or 11608988 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 56.

The spelling of 725606174801720 in words is "seven hundred twenty-five trillion, six hundred six billion, one hundred seventy-four million, eight hundred one thousand, seven hundred twenty".