74881845723 has 4 divisors (see below), whose sum is σ = 99842460968. Its totient is φ = 49921230480.

The previous prime is 74881845707. The next prime is 74881845743. The reversal of 74881845723 is 32754818847.

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

It is not a de Polignac number, because 74881845723 - 2⁴ = 74881845707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74881845743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12480307618 + ... + 12480307623.

It is an arithmetic number, because the mean of its divisors is an integer number (24960615242).

Almost surely, 2^74881845723 is an apocalyptic number.

74881845723 is a deficient number, since it is larger than the sum of its proper divisors (24960615245).

74881845723 is a wasteful number, since it uses less digits than its factorization.

74881845723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24960615244.

The product of its digits is 12042240, while the sum is 57.

The spelling of 74881845723 in words is "seventy-four billion, eight hundred eighty-one million, eight hundred forty-five thousand, seven hundred twenty-three".