724885425 has 72 divisors (see below), whose sum is σ = 1429908480. Its totient is φ = 348105600.

The previous prime is 724885391. The next prime is 724885459. The reversal of 724885425 is 524588427.

724885425 is a `hidden beast` number, since 7 + 24 + 88 + 542 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (724885391) and next prime (724885459).

It is not a de Polignac number, because 724885425 - 2⁷ = 724885297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

Together with 705023055 it forms an amicable pair .

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 268432 + ... + 271118.

It is an arithmetic number, because the mean of its divisors is an integer number (19859840).

Almost surely, 2^724885425 is an apocalyptic number.

724885425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

724885425 is a deficient number, since it is larger than the sum of its proper divisors (705023055).

724885425 is a wasteful number, since it uses less digits than its factorization.

724885425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823 (or 2815 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 724885425 is about 26923.6963472700. The cubic root of 724885425 is about 898.3035636057.

The spelling of 724885425 in words is "seven hundred twenty-four million, eight hundred eighty-five thousand, four hundred twenty-five".