76946917 has 2 divisors, whose sum is σ = 76946918. Its totient is φ = 76946916.

The previous prime is 76946843. The next prime is 76946953. The reversal of 76946917 is 71964967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59382436 + 17564481 = 7706^2 + 4191^2 .

It is a cyclic number.

It is not a de Polignac number, because 76946917 - 2¹¹ = 76944869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76943917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38473458 + 38473459.

It is an arithmetic number, because the mean of its divisors is an integer number (38473459).

Almost surely, 2^76946917 is an apocalyptic number.

It is an amenable number.

76946917 is a deficient number, since it is larger than the sum of its proper divisors (1).

76946917 is an equidigital number, since it uses as much as digits as its factorization.

76946917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 49.

The square root of 76946917 is about 8771.9391812757. The cubic root of 76946917 is about 425.3343012172.

The spelling of 76946917 in words is "seventy-six million, nine hundred forty-six thousand, nine hundred seventeen".