76806745 has 8 divisors (see below), whose sum is σ = 92323584. Its totient is φ = 61341744.

The previous prime is 76806739. The next prime is 76806781. The reversal of 76806745 is 54760867.

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-76806745 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9619 + ... + 15688.

It is an arithmetic number, because the mean of its divisors is an integer number (11540448).

Almost surely, 2^76806745 is an apocalyptic number.

It is an amenable number.

76806745 is a deficient number, since it is larger than the sum of its proper divisors (15516839).

76806745 is a wasteful number, since it uses less digits than its factorization.

76806745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25919.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 76806745 is about 8763.9457437846. The cubic root of 76806745 is about 425.0758711144.

The spelling of 76806745 in words is "seventy-six million, eight hundred six thousand, seven hundred forty-five".