723879025 has 9 divisors (see below), whose sum is σ = 897776833. Its totient is φ = 578995600.

The previous prime is 723879011. The next prime is 723879031. The reversal of 723879025 is 520978327.

The square root of 723879025 is 26905.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 71791729 + 652087296 = 8473^2 + 25536^2 .

It is not a de Polignac number, because 723879025 - 2⁵ = 723878993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 131835 + ... + 137215.

Almost surely, 2^723879025 is an apocalyptic number.

723879025 is the 26905-th square number.

723879025 is the 13453-rd centered octagonal number.

It is an amenable number.

723879025 is a deficient number, since it is larger than the sum of its proper divisors (173897808).

723879025 is an frugal number, since it uses more digits than its factorization.

723879025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10772 (or 5386 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The cubic root of 723879025 is about 897.8876489517.

The spelling of 723879025 in words is "seven hundred twenty-three million, eight hundred seventy-nine thousand, twenty-five".