76668346 has 4 divisors (see below), whose sum is σ = 115002522. Its totient is φ = 38334172.

The previous prime is 76668341. The next prime is 76668367. The reversal of 76668346 is 64386667.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61544025 + 15124321 = 7845^2 + 3889^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76668296 and 76668305.

It is not an unprimeable number, because it can be changed into a prime (76668341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19167085 + ... + 19167088.

Almost surely, 2^76668346 is an apocalyptic number.

76668346 is a deficient number, since it is larger than the sum of its proper divisors (38334176).

76668346 is a wasteful number, since it uses less digits than its factorization.

76668346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38334175.

The product of its digits is 870912, while the sum is 46.

The square root of 76668346 is about 8756.0462538751. The cubic root of 76668346 is about 424.8204011621.

The spelling of 76668346 in words is "seventy-six million, six hundred sixty-eight thousand, three hundred forty-six".