76751732736 has 640 divisors, whose sum is σ = 278619168960. Its totient is φ = 20639121408.

The previous prime is 76751732699. The next prime is 76751732737. The reversal of 76751732736 is 63723715767.

76751732736 is a `hidden beast` number, since 7 + 67 + 517 + 32 + 7 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (7779240) is a multiple of the sum of its prime factors (81).

It is not an unprimeable number, because it can be changed into a prime (76751732737) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4514807800 + ... + 4514807816.

Almost surely, 2^76751732736 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 76751732736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139309584480).

76751732736 is an abundant number, since it is smaller than the sum of its proper divisors (201867436224).

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

76751732736 is an frugal number, since it uses more digits than its factorization.

76751732736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 29 counting only the distinct ones).

The product of its digits is 7779240, while the sum is 54.

The spelling of 76751732736 in words is "seventy-six billion, seven hundred fifty-one million, seven hundred thirty-two thousand, seven hundred thirty-six".