76975691 has 8 divisors (see below), whose sum is σ = 83658960. Its totient is φ = 70401312.

The previous prime is 76975673. The next prime is 76975699. The reversal of 76975691 is 19657967.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76975691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76975699) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25745 + ... + 28578.

It is an arithmetic number, because the mean of its divisors is an integer number (10457370).

Almost surely, 2^76975691 is an apocalyptic number.

76975691 is a deficient number, since it is larger than the sum of its proper divisors (6683269).

76975691 is a wasteful number, since it uses less digits than its factorization.

76975691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54445.

The product of its digits is 714420, while the sum is 50.

The square root of 76975691 is about 8773.5791442261. The cubic root of 76975691 is about 425.3873119786.

The spelling of 76975691 in words is "seventy-six million, nine hundred seventy-five thousand, six hundred ninety-one".