23748745 has 8 divisors (see below), whose sum is σ = 30174984. Its totient is φ = 17881344.

The previous prime is 23748737. The next prime is 23748761. The reversal of 23748745 is 54784732.

It can be written as a sum of positive squares in 4 ways, for example, as 1394761 + 22353984 = 1181^2 + 4728^2 .

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 23748745 - 2³ = 23748737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23748698 and 23748707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139614 + ... + 139783.

It is an arithmetic number, because the mean of its divisors is an integer number (3771873).

Almost surely, 2^23748745 is an apocalyptic number.

It is an amenable number.

23748745 is a deficient number, since it is larger than the sum of its proper divisors (6426239).

23748745 is a wasteful number, since it uses less digits than its factorization.

23748745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279419.

The product of its digits is 188160, while the sum is 40.

The square root of 23748745 is about 4873.2684104203. The cubic root of 23748745 is about 287.4397907943.

The spelling of 23748745 in words is "twenty-three million, seven hundred forty-eight thousand, seven hundred forty-five".