76775491 has 8 divisors (see below), whose sum is σ = 82830384. Its totient is φ = 70741920.

The previous prime is 76775473. The next prime is 76775509. The reversal of 76775491 is 19457767.

It is an interprime number because it is at equal distance from previous prime (76775473) and next prime (76775509).

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

It is a cyclic number.

It is not a de Polignac number, because 76775491 - 2⁵ = 76775459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76775471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2601 + ... + 12661.

It is an arithmetic number, because the mean of its divisors is an integer number (10353798).

Almost surely, 2^76775491 is an apocalyptic number.

76775491 is a deficient number, since it is larger than the sum of its proper divisors (6054893).

76775491 is a wasteful number, since it uses less digits than its factorization.

76775491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10661.

The product of its digits is 370440, while the sum is 46.

The square root of 76775491 is about 8762.1624614019. The cubic root of 76775491 is about 425.0182063712.

The spelling of 76775491 in words is "seventy-six million, seven hundred seventy-five thousand, four hundred ninety-one".