725773686 has 32 divisors (see below), whose sum is σ = 1584510336. Its totient is φ = 219792000.

The previous prime is 725773661. The next prime is 725773687. The reversal of 725773686 is 686377527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725773687) 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, 156846 + ... + 161406.

It is an arithmetic number, because the mean of its divisors is an integer number (49515948).

Almost surely, 2^725773686 is an apocalyptic number.

725773686 is an abundant number, since it is smaller than the sum of its proper divisors (858736650).

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

725773686 is a wasteful number, since it uses less digits than its factorization.

725773686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6988.

The product of its digits is 2963520, while the sum is 51.

The square root of 725773686 is about 26940.1871931136. The cubic root of 725773686 is about 898.6703352792.

The spelling of 725773686 in words is "seven hundred twenty-five million, seven hundred seventy-three thousand, six hundred eighty-six".