76804634 has 4 divisors (see below), whose sum is σ = 115206954. Its totient is φ = 38402316.

The previous prime is 76804591. The next prime is 76804643. The reversal of 76804634 is 43640867.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43640867 = 23 ⋅1897429.

It can be written as a sum of positive squares in only one way, i.e., 42289009 + 34515625 = 6503^2 + 5875^2 .

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 as a sum of consecutive naturals, namely, 19201157 + ... + 19201160.

Almost surely, 2^76804634 is an apocalyptic number.

76804634 is a deficient number, since it is larger than the sum of its proper divisors (38402320).

76804634 is a wasteful number, since it uses less digits than its factorization.

76804634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38402319.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 76804634 is about 8763.8253063374. The cubic root of 76804634 is about 425.0719767369.

The spelling of 76804634 in words is "seventy-six million, eight hundred four thousand, six hundred thirty-four".