725210637 has 16 divisors (see below), whose sum is σ = 975881088. Its totient is φ = 479026880.

The previous prime is 725210623. The next prime is 725210659. The reversal of 725210637 is 736012527.

It is a cyclic number.

It is not a de Polignac number, because 725210637 - 2¹⁶ = 725145101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 725210598 and 725210607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725210137) 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, 159163 + ... + 163655.

It is an arithmetic number, because the mean of its divisors is an integer number (60992568).

Almost surely, 2^725210637 is an apocalyptic number.

It is an amenable number.

725210637 is a deficient number, since it is larger than the sum of its proper divisors (250670451).

725210637 is a wasteful number, since it uses less digits than its factorization.

725210637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4980.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 725210637 is about 26929.7351825078. The cubic root of 725210637 is about 898.4378815779.

The spelling of 725210637 in words is "seven hundred twenty-five million, two hundred ten thousand, six hundred thirty-seven".