725514763507 has 24 divisors (see below), whose sum is σ = 776243578320. Its totient is φ = 677902003200.

The previous prime is 725514763499. The next prime is 725514763511. The reversal of 725514763507 is 705367415527.

It is not a de Polignac number, because 725514763507 - 2³ = 725514763499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725514763577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17987619 + ... + 18027907.

It is an arithmetic number, because the mean of its divisors is an integer number (32343482430).

Almost surely, 2^725514763507 is an apocalyptic number.

725514763507 is a deficient number, since it is larger than the sum of its proper divisors (50728814813).

725514763507 is a wasteful number, since it uses less digits than its factorization.

725514763507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41011 (or 40992 counting only the distinct ones).

The product of its (nonzero) digits is 6174000, while the sum is 52.

The spelling of 725514763507 in words is "seven hundred twenty-five billion, five hundred fourteen million, seven hundred sixty-three thousand, five hundred seven".