725606716 has 12 divisors (see below), whose sum is σ = 1344506688. Its totient is φ = 341461952.

The previous prime is 725606711. The next prime is 725606731. The reversal of 725606716 is 617606527.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725606711) 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, 5335276 + ... + 5335411.

It is an arithmetic number, because the mean of its divisors is an integer number (112042224).

Almost surely, 2^725606716 is an apocalyptic number.

It is an amenable number.

725606716 is a deficient number, since it is larger than the sum of its proper divisors (618899972).

725606716 is a wasteful number, since it uses less digits than its factorization.

725606716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10670708 (or 10670706 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 725606716 is about 26937.0881128603. The cubic root of 725606716 is about 898.6014145780.

The spelling of 725606716 in words is "seven hundred twenty-five million, six hundred six thousand, seven hundred sixteen".