23700745 has 4 divisors (see below), whose sum is σ = 28440900. Its totient is φ = 18960592.

The previous prime is 23700739. The next prime is 23700763. The reversal of 23700745 is 54700732.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15657849 + 8042896 = 3957^2 + 2836^2 .

It is a cyclic number.

It is not a de Polignac number, because 23700745 - 2¹⁷ = 23569673 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2370070 + ... + 2370079.

It is an arithmetic number, because the mean of its divisors is an integer number (7110225).

Almost surely, 2^23700745 is an apocalyptic number.

It is an amenable number.

23700745 is a deficient number, since it is larger than the sum of its proper divisors (4740155).

23700745 is an equidigital number, since it uses as much as digits as its factorization.

23700745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740154.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 23700745 is about 4868.3410932267. The cubic root of 23700745 is about 287.2460062975.

The spelling of 23700745 in words is "twenty-three million, seven hundred thousand, seven hundred forty-five".