725535592 has 8 divisors (see below), whose sum is σ = 1360379250. Its totient is φ = 362767792.

The previous prime is 725535583. The next prime is 725535599. The reversal of 725535592 is 295535527.

It can be written as a sum of positive squares in only one way, i.e., 723932836 + 1602756 = 26906^2 + 1266^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (725535599) 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, 45345967 + ... + 45345982.

Almost surely, 2^725535592 is an apocalyptic number.

It is an amenable number.

725535592 is a deficient number, since it is larger than the sum of its proper divisors (634843658).

725535592 is a wasteful number, since it uses less digits than its factorization.

725535592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90691955 (or 90691951 counting only the distinct ones).

The product of its digits is 472500, while the sum is 43.

The square root of 725535592 is about 26935.7678932679. The cubic root of 725535592 is about 898.5720533028.

The spelling of 725535592 in words is "seven hundred twenty-five million, five hundred thirty-five thousand, five hundred ninety-two".