74946636492 has 384 divisors, whose sum is σ = 233060696064. Its totient is φ = 18186964992.

The previous prime is 74946636481. The next prime is 74946636503. The reversal of 74946636492 is 29463664947.

It is an interprime number because it is at equal distance from previous prime (74946636481) and next prime (74946636503).

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 195682933 + ... + 195683315.

It is an arithmetic number, because the mean of its divisors is an integer number (606928896).

Almost surely, 2^74946636492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74946636492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116530348032).

74946636492 is an abundant number, since it is smaller than the sum of its proper divisors (158114059572).

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

74946636492 is a wasteful number, since it uses less digits than its factorization.

74946636492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 635 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 60.

The spelling of 74946636492 in words is "seventy-four billion, nine hundred forty-six million, six hundred thirty-six thousand, four hundred ninety-two".