724836225 has 48 divisors (see below), whose sum is σ = 1335718080. Its totient is φ = 344678400.

The previous prime is 724836173. The next prime is 724836227. The reversal of 724836225 is 522638427.

It is not a de Polignac number, because 724836225 - 2¹⁰ = 724835201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (724836227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9265 + ... + 39185.

It is an arithmetic number, because the mean of its divisors is an integer number (27827460).

Almost surely, 2^724836225 is an apocalyptic number.

724836225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

724836225 is a deficient number, since it is larger than the sum of its proper divisors (610881855).

724836225 is a wasteful number, since it uses less digits than its factorization.

724836225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29970 (or 29965 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 724836225 is about 26922.7826385015. The cubic root of 724836225 is about 898.2832396879.

The spelling of 724836225 in words is "seven hundred twenty-four million, eight hundred thirty-six thousand, two hundred twenty-five".