23705725 has 12 divisors (see below), whose sum is σ = 29512000. Its totient is φ = 18889200.

The previous prime is 23705683. The next prime is 23705729. The reversal of 23705725 is 52750732.

It is not a de Polignac number, because 23705725 - 2¹³ = 23697533 is a prime.

It is a super-2 number, since 2×23705725² = 1123922795551250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23705729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5026 + ... + 8524.

Almost surely, 2^23705725 is an apocalyptic number.

23705725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23705725 is a deficient number, since it is larger than the sum of its proper divisors (5806275).

23705725 is a wasteful number, since it uses less digits than its factorization.

23705725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780 (or 3775 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 23705725 is about 4868.8525342220. The cubic root of 23705725 is about 287.2661235967.

The spelling of 23705725 in words is "twenty-three million, seven hundred five thousand, seven hundred twenty-five".