723037225 has 6 divisors (see below), whose sum is σ = 896566190. Its totient is φ = 578429760.

The previous prime is 723037219. The next prime is 723037253. The reversal of 723037225 is 522730327.

It can be written as a sum of positive squares in 3 ways, for example, as 29452329 + 693584896 = 5427^2 + 26336^2 .

It is not a de Polignac number, because 723037225 - 2⁷ = 723037097 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 14460720 + ... + 14460769.

Almost surely, 2^723037225 is an apocalyptic number.

It is an amenable number.

723037225 is a deficient number, since it is larger than the sum of its proper divisors (173528965).

723037225 is a wasteful number, since it uses less digits than its factorization.

723037225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28921499 (or 28921494 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 723037225 is about 26889.3515169109. The cubic root of 723037225 is about 897.5394623183.

The spelling of 723037225 in words is "seven hundred twenty-three million, thirty-seven thousand, two hundred twenty-five".