725831327572 has 24 divisors (see below), whose sum is σ = 1415082299400. Its totient is φ = 323447381376.

The previous prime is 725831327549. The next prime is 725831327581. The reversal of 725831327572 is 275723138527.

It can be written as a sum of positive squares in 4 ways, for example, as 6974922256 + 718856405316 = 83516^2 + 847854^2 .

It is a super-2 number, since 2×725831327572² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240658747 + ... + 240661762.

It is an arithmetic number, because the mean of its divisors is an integer number (58961762475).

Almost surely, 2^725831327572 is an apocalyptic number.

It is an amenable number.

725831327572 is a deficient number, since it is larger than the sum of its proper divisors (689250971828).

725831327572 is a wasteful number, since it uses less digits than its factorization.

725831327572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481320555 (or 481320553 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 52.

The spelling of 725831327572 in words is "seven hundred twenty-five billion, eight hundred thirty-one million, three hundred twenty-seven thousand, five hundred seventy-two".