725592772 has 6 divisors (see below), whose sum is σ = 1269787358. Its totient is φ = 362796384.

The previous prime is 725592739. The next prime is 725592773. The reversal of 725592772 is 277295527.

It can be written as a sum of positive squares in only one way, i.e., 713103616 + 12489156 = 26704^2 + 3534^2 .

It is not an unprimeable number, because it can be changed into a prime (725592773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90699093 + ... + 90699100.

Almost surely, 2^725592772 is an apocalyptic number.

It is an amenable number.

725592772 is a deficient number, since it is larger than the sum of its proper divisors (544194586).

725592772 is a wasteful number, since it uses less digits than its factorization.

725592772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181398197 (or 181398195 counting only the distinct ones).

The product of its digits is 617400, while the sum is 46.

The square root of 725592772 is about 26936.8292863136. The cubic root of 725592772 is about 898.5956583935.

The spelling of 725592772 in words is "seven hundred twenty-five million, five hundred ninety-two thousand, seven hundred seventy-two".