725658656124 has 48 divisors (see below), whose sum is σ = 1696242401280. Its totient is φ = 241452371520.

The previous prime is 725658656077. The next prime is 725658656159. The reversal of 725658656124 is 421656856527.

725658656124 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23219589 + ... + 23250819.

It is an arithmetic number, because the mean of its divisors is an integer number (35338383360).

Almost surely, 2^725658656124 is an apocalyptic number.

It is an amenable number.

725658656124 is an abundant number, since it is smaller than the sum of its proper divisors (970583745156).

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

725658656124 is a wasteful number, since it uses less digits than its factorization.

725658656124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34650 (or 34648 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 57.

The spelling of 725658656124 in words is "seven hundred twenty-five billion, six hundred fifty-eight million, six hundred fifty-six thousand, one hundred twenty-four".