76657138 has 8 divisors (see below), whose sum is σ = 116605440. Its totient is φ = 37788660.

The previous prime is 76657129. The next prime is 76657151. The reversal of 76657138 is 83175667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 76657094 and 76657103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269778 + ... + 270061.

It is an arithmetic number, because the mean of its divisors is an integer number (14575680).

Almost surely, 2^76657138 is an apocalyptic number.

76657138 is a deficient number, since it is larger than the sum of its proper divisors (39948302).

76657138 is a wasteful number, since it uses less digits than its factorization.

76657138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539912.

The product of its digits is 211680, while the sum is 43.

The square root of 76657138 is about 8755.4062155905. The cubic root of 76657138 is about 424.7996989239.

The spelling of 76657138 in words is "seventy-six million, six hundred fifty-seven thousand, one hundred thirty-eight".