76706726548 has 24 divisors (see below), whose sum is σ = 137604617640. Its totient is φ = 37402928640.

The previous prime is 76706726543. The next prime is 76706726549. The reversal of 76706726548 is 84562760767.

It can be written as a sum of positive squares in 4 ways, for example, as 6932560644 + 69774165904 = 83262^2 + 264148^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76706726492 and 76706726501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76706726543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1449823 + ... + 1501798.

It is an arithmetic number, because the mean of its divisors is an integer number (5733525735).

Almost surely, 2^76706726548 is an apocalyptic number.

It is an amenable number.

76706726548 is a deficient number, since it is larger than the sum of its proper divisors (60897891092).

76706726548 is a wasteful number, since it uses less digits than its factorization.

76706726548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951787 (or 2951785 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 58.

The spelling of 76706726548 in words is "seventy-six billion, seven hundred six million, seven hundred twenty-six thousand, five hundred forty-eight".