724776225 has 12 divisors (see below), whose sum is σ = 1198296816. Its totient is φ = 386547280.

The previous prime is 724776211. The next prime is 724776251. The reversal of 724776225 is 522677427.

It is a happy number.

It is not a de Polignac number, because 724776225 - 2⁸ = 724775969 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4831767 + ... + 4831916.

It is an arithmetic number, because the mean of its divisors is an integer number (99858068).

Almost surely, 2^724776225 is an apocalyptic number.

724776225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

724776225 is a deficient number, since it is larger than the sum of its proper divisors (473520591).

724776225 is a wasteful number, since it uses less digits than its factorization.

724776225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9663696 (or 9663691 counting only the distinct ones).

The product of its digits is 329280, while the sum is 42.

The square root of 724776225 is about 26921.6683175467. The cubic root of 724776225 is about 898.2584531776.

The spelling of 724776225 in words is "seven hundred twenty-four million, seven hundred seventy-six thousand, two hundred twenty-five".