23449725 has 36 divisors (see below), whose sum is σ = 45237556. Its totient is φ = 11543040.

The previous prime is 23449709. The next prime is 23449747. The reversal of 23449725 is 52794432.

It can be written as a sum of positive squares in 6 ways, for example, as 2022084 + 21427641 = 1422^2 + 4629^2 .

It is not a de Polignac number, because 23449725 - 2⁴ = 23449709 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 23449725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1084 + ... + 6933.

Almost surely, 2^23449725 is an apocalyptic number.

23449725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23449725 is a deficient number, since it is larger than the sum of its proper divisors (21787831).

23449725 is a wasteful number, since it uses less digits than its factorization.

23449725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8046 (or 8038 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 23449725 is about 4842.4916107310. The cubic root of 23449725 is about 286.2283089022.

The spelling of 23449725 in words is "twenty-three million, four hundred forty-nine thousand, seven hundred twenty-five".