74255568823 has 4 divisors (see below), whose sum is σ = 74256464848. Its totient is φ = 74254672800.

The previous prime is 74255568791. The next prime is 74255568851. The reversal of 74255568823 is 32886555247.

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 74255568823 - 2⁵ = 74255568791 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 (74255568223) 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, 309411 + ... + 494212.

It is an arithmetic number, because the mean of its divisors is an integer number (18564116212).

Almost surely, 2^74255568823 is an apocalyptic number.

74255568823 is a deficient number, since it is larger than the sum of its proper divisors (896025).

74255568823 is an equidigital number, since it uses as much as digits as its factorization.

74255568823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896024.

The product of its digits is 16128000, while the sum is 55.

The spelling of 74255568823 in words is "seventy-four billion, two hundred fifty-five million, five hundred sixty-eight thousand, eight hundred twenty-three".