725792121997 has 8 divisors (see below), whose sum is σ = 727140710016. Its totient is φ = 724443698352.

The previous prime is 725792121959. The next prime is 725792122019. The reversal of 725792121997 is 799121297527.

725792121997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 725792121997 - 2²⁷ = 725657904269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725792121907) 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, 12094288 + ... + 12154150.

It is an arithmetic number, because the mean of its divisors is an integer number (90892588752).

Almost surely, 2^725792121997 is an apocalyptic number.

It is an amenable number.

725792121997 is a deficient number, since it is larger than the sum of its proper divisors (1348588019).

725792121997 is a wasteful number, since it uses less digits than its factorization.

725792121997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82187.

The product of its digits is 10001880, while the sum is 61.

The spelling of 725792121997 in words is "seven hundred twenty-five billion, seven hundred ninety-two million, one hundred twenty-one thousand, nine hundred ninety-seven".