23749074727 has 4 divisors (see below), whose sum is σ = 27141799696. Its totient is φ = 20356349760.

The previous prime is 23749074677. The next prime is 23749074731. The reversal of 23749074727 is 72747094732.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23749074727 - 2⁷ = 23749074599 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 (23749072727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1696362474 + ... + 1696362487.

It is an arithmetic number, because the mean of its divisors is an integer number (6785449924).

Almost surely, 2^23749074727 is an apocalyptic number.

23749074727 is a deficient number, since it is larger than the sum of its proper divisors (3392724969).

23749074727 is an equidigital number, since it uses as much as digits as its factorization.

23749074727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392724968.

The product of its (nonzero) digits is 4148928, while the sum is 52.

The spelling of 23749074727 in words is "twenty-three billion, seven hundred forty-nine million, seventy-four thousand, seven hundred twenty-seven".