74506233879 has 144 divisors (see below), whose sum is σ = 141551155200. Its totient is φ = 36895668480.

The previous prime is 74506233853. The next prime is 74506233911. The reversal of 74506233879 is 97833260547.

74506233879 is a `hidden beast` number, since 7 + 4 + 5 + 0 + 623 + 3 + 8 + 7 + 9 = 666.

It is not a de Polignac number, because 74506233879 - 2¹¹ = 74506231831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74506233479) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 71709042 + ... + 71710080.

Almost surely, 2^74506233879 is an apocalyptic number.

74506233879 is a deficient number, since it is larger than the sum of its proper divisors (67044921321).

74506233879 is a wasteful number, since it uses less digits than its factorization.

74506233879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 74506233879 in words is "seventy-four billion, five hundred six million, two hundred thirty-three thousand, eight hundred seventy-nine".