74368503351823 has 16 divisors (see below), whose sum is σ = 75243872793600. Its totient is φ = 73498565251584.

The previous prime is 74368503351809. The next prime is 74368503351829. The reversal of 74368503351823 is 32815330586347.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 74368503351823 - 2¹⁷ = 74368503220751 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 (74368503351829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74977440 + ... + 75962842.

It is an arithmetic number, because the mean of its divisors is an integer number (4702742049600).

Almost surely, 2^{74368503351823} is an apocalyptic number.

74368503351823 is a deficient number, since it is larger than the sum of its proper divisors (875369441777).

74368503351823 is a wasteful number, since it uses less digits than its factorization.

74368503351823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988158.

The product of its (nonzero) digits is 43545600, while the sum is 58.

The spelling of 74368503351823 in words is "seventy-four trillion, three hundred sixty-eight billion, five hundred three million, three hundred fifty-one thousand, eight hundred twenty-three".