23725709 has 8 divisors (see below), whose sum is σ = 27420480. Its totient is φ = 20107296.

The previous prime is 23725649. The next prime is 23725711. The reversal of 23725709 is 90752732.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23725709 - 2⁸ = 23725453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23725789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18419 + ... + 19664.

It is an arithmetic number, because the mean of its divisors is an integer number (3427560).

Almost surely, 2^23725709 is an apocalyptic number.

It is an amenable number.

23725709 is a deficient number, since it is larger than the sum of its proper divisors (3694771).

23725709 is an equidigital number, since it uses as much as digits as its factorization.

23725709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38179.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 23725709 is about 4870.9043308199. The cubic root of 23725709 is about 287.3468230033.

The spelling of 23725709 in words is "twenty-three million, seven hundred twenty-five thousand, seven hundred nine".