76840793 has 2 divisors, whose sum is σ = 76840794. Its totient is φ = 76840792.

The previous prime is 76840783. The next prime is 76840811. The reversal of 76840793 is 39704867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73753744 + 3087049 = 8588^2 + 1757^2 .

It is a cyclic number.

It is not a de Polignac number, because 76840793 - 2¹⁰ = 76839769 is a prime.

It is not a weakly prime, because it can be changed into another prime (76840703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38420396 + 38420397.

It is an arithmetic number, because the mean of its divisors is an integer number (38420397).

Almost surely, 2^76840793 is an apocalyptic number.

It is an amenable number.

76840793 is a deficient number, since it is larger than the sum of its proper divisors (1).

76840793 is an equidigital number, since it uses as much as digits as its factorization.

76840793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 76840793 is about 8765.8880325954. Note that the first 3 decimals coincide. The cubic root of 76840793 is about 425.1386730866.

The spelling of 76840793 in words is "seventy-six million, eight hundred forty thousand, seven hundred ninety-three".