76674137668 has 12 divisors (see below), whose sum is σ = 134182082412. Its totient is φ = 38336399840.

The previous prime is 76674137663. The next prime is 76674137671. The reversal of 76674137668 is 86673147667.

It can be written as a sum of positive squares in 2 ways, for example, as 35869329664 + 40804808004 = 189392^2 + 202002^2 .

It is not an unprimeable number, because it can be changed into a prime (76674137663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163146 + ... + 424222.

It is an arithmetic number, because the mean of its divisors is an integer number (11181840201).

Almost surely, 2^76674137668 is an apocalyptic number.

It is an amenable number.

76674137668 is a deficient number, since it is larger than the sum of its proper divisors (57507944744).

76674137668 is a wasteful number, since it uses less digits than its factorization.

76674137668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334502 (or 334500 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 61.

Subtracting 76674137668 from its reverse (86673147667), we obtain a palindrome (9999009999).

The spelling of 76674137668 in words is "seventy-six billion, six hundred seventy-four million, one hundred thirty-seven thousand, six hundred sixty-eight".