724780025 has 12 divisors (see below), whose sum is σ = 937803072. Its totient is φ = 554613840.

The previous prime is 724780019. The next prime is 724780027. The reversal of 724780025 is 520087427.

It is not a de Polignac number, because 724780025 - 2⁴ = 724780009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (724780027) 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 in 11 ways as a sum of consecutive naturals, for example, 629669 + ... + 630818.

It is an arithmetic number, because the mean of its divisors is an integer number (78150256).

Almost surely, 2^724780025 is an apocalyptic number.

It is an amenable number.

724780025 is a deficient number, since it is larger than the sum of its proper divisors (213023047).

724780025 is a wasteful number, since it uses less digits than its factorization.

724780025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260520 (or 1260515 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 724780025 is about 26921.7388925753. The cubic root of 724780025 is about 898.2600230305.

The spelling of 724780025 in words is "seven hundred twenty-four million, seven hundred eighty thousand, twenty-five".