725578745110634 has 8 divisors (see below), whose sum is σ = 1114913681511588. Its totient is φ = 353940851273440.

The previous prime is 725578745110633. The next prime is 725578745110711. The reversal of 725578745110634 is 436011547875527.

It can be written as a sum of positive squares in 2 ways, for example, as 483701506036225 + 241877239074409 = 21993215^2 + 15552403^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (725578745110633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4424260640837 + ... + 4424260641000.

Almost surely, 2^{725578745110634} is an apocalyptic number.

725578745110634 is a deficient number, since it is larger than the sum of its proper divisors (389334936400954).

725578745110634 is a wasteful number, since it uses less digits than its factorization.

725578745110634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8848521281880.

The product of its (nonzero) digits is 197568000, while the sum is 65.

The spelling of 725578745110634 in words is "seven hundred twenty-five trillion, five hundred seventy-eight billion, seven hundred forty-five million, one hundred ten thousand, six hundred thirty-four".