76748737536 has 264 divisors, whose sum is σ = 233148125184. Its totient is φ = 24269414400.

The previous prime is 76748737493. The next prime is 76748737567. The reversal of 76748737536 is 63573784767.

It is a happy number.

76748737536 is a `hidden beast` number, since 7 + 67 + 4 + 8 + 7 + 37 + 536 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26918511 + ... + 26921361.

Almost surely, 2^76748737536 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 76748737536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116574062592).

76748737536 is an abundant number, since it is smaller than the sum of its proper divisors (156399387648).

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

76748737536 is a wasteful number, since it uses less digits than its factorization.

76748737536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027 (or 3006 counting only the distinct ones).

The product of its digits is 124467840, while the sum is 63.

The spelling of 76748737536 in words is "seventy-six billion, seven hundred forty-eight million, seven hundred thirty-seven thousand, five hundred thirty-six".