76432748544 has 156 divisors (see below), whose sum is σ = 233767667016. Its totient is φ = 23978704896.

The previous prime is 76432748479. The next prime is 76432748591. The reversal of 76432748544 is 44584723467.

76432748544 is a `hidden beast` number, since 7 + 64 + 32 + 7 + 4 + 8 + 544 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565707 + ... + 687669.

It is an arithmetic number, because the mean of its divisors is an integer number (1498510686).

Almost surely, 2^76432748544 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 76432748544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116883833508).

76432748544 is an abundant number, since it is smaller than the sum of its proper divisors (157334918472).

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

76432748544 is a wasteful number, since it uses less digits than its factorization.

76432748544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122010 (or 121985 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 54.

The spelling of 76432748544 in words is "seventy-six billion, four hundred thirty-two million, seven hundred forty-eight thousand, five hundred forty-four".