76768793 has 4 divisors (see below), whose sum is σ = 76787508. Its totient is φ = 76750080.

The previous prime is 76768789. The next prime is 76768817. The reversal of 76768793 is 39786767.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27164944 + 49603849 = 5212^2 + 7043^2 .

It is a cyclic number.

It is not a de Polignac number, because 76768793 - 2² = 76768789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76768723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248 + ... + 12393.

It is an arithmetic number, because the mean of its divisors is an integer number (19196877).

Almost surely, 2^76768793 is an apocalyptic number.

It is an amenable number.

76768793 is a deficient number, since it is larger than the sum of its proper divisors (18715).

76768793 is a wasteful number, since it uses less digits than its factorization.

76768793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18714.

The product of its digits is 2667168, while the sum is 53.

The square root of 76768793 is about 8761.7802414806. The cubic root of 76768793 is about 425.0058462864.

The spelling of 76768793 in words is "seventy-six million, seven hundred sixty-eight thousand, seven hundred ninety-three".