725633515673 has 16 divisors (see below), whose sum is σ = 847386489600. Its totient is φ = 614355184080.

The previous prime is 725633515669. The next prime is 725633515703. The reversal of 725633515673 is 376515336527.

It is not a de Polignac number, because 725633515673 - 2² = 725633515669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725633515603) 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, 29410811 + ... + 29435472.

It is an arithmetic number, because the mean of its divisors is an integer number (52961655600).

Almost surely, 2^725633515673 is an apocalyptic number.

It is an amenable number.

725633515673 is a deficient number, since it is larger than the sum of its proper divisors (121752973927).

725633515673 is a wasteful number, since it uses less digits than its factorization.

725633515673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58846372.

The product of its digits is 11907000, while the sum is 53.

The spelling of 725633515673 in words is "seven hundred twenty-five billion, six hundred thirty-three million, five hundred fifteen thousand, six hundred seventy-three".