76905317 has 2 divisors, whose sum is σ = 76905318. Its totient is φ = 76905316.

The previous prime is 76905313. The next prime is 76905329. The reversal of 76905317 is 71350967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75498721 + 1406596 = 8689^2 + 1186^2 .

It is an emirp because it is prime and its reverse (71350967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76905317 - 2² = 76905313 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76905313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38452658 + 38452659.

It is an arithmetic number, because the mean of its divisors is an integer number (38452659).

Almost surely, 2^76905317 is an apocalyptic number.

It is an amenable number.

76905317 is a deficient number, since it is larger than the sum of its proper divisors (1).

76905317 is an equidigital number, since it uses as much as digits as its factorization.

76905317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 76905317 is about 8769.5676632318. The cubic root of 76905317 is about 425.2576375586.

The spelling of 76905317 in words is "seventy-six million, nine hundred five thousand, three hundred seventeen".