76544722672 has 20 divisors (see below), whose sum is σ = 161787709656. Its totient is φ = 34793055680.

The previous prime is 76544722663. The next prime is 76544722673. The reversal of 76544722672 is 27622744567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76544722673) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 217456423 + ... + 217456774.

Almost surely, 2^76544722672 is an apocalyptic number.

It is an amenable number.

76544722672 is an abundant number, since it is smaller than the sum of its proper divisors (85242986984).

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

76544722672 is a wasteful number, since it uses less digits than its factorization.

76544722672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434913216 (or 434913210 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 52.

The spelling of 76544722672 in words is "seventy-six billion, five hundred forty-four million, seven hundred twenty-two thousand, six hundred seventy-two".