74733863838 has 16 divisors (see below), whose sum is σ = 149506768656. Its totient is φ = 24904781120.

The previous prime is 74733863837. The next prime is 74733863857. The reversal of 74733863838 is 83836833747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74733863837) 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 7 ways as a sum of consecutive naturals, for example, 1601793 + ... + 1647788.

It is an arithmetic number, because the mean of its divisors is an integer number (9344173041).

Almost surely, 2^74733863838 is an apocalyptic number.

74733863838 is an abundant number, since it is smaller than the sum of its proper divisors (74772904818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74733863838 is a wasteful number, since it uses less digits than its factorization.

74733863838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253419.

The product of its digits is 48771072, while the sum is 60.

The spelling of 74733863838 in words is "seventy-four billion, seven hundred thirty-three million, eight hundred sixty-three thousand, eight hundred thirty-eight".