76934813 has 2 divisors, whose sum is σ = 76934814. Its totient is φ = 76934812.

The previous prime is 76934801. The next prime is 76934873. The reversal of 76934813 is 31843967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76352644 + 582169 = 8738^2 + 763^2 .

It is an emirp because it is prime and its reverse (31843967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76934813 - 2⁴ = 76934797 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 (76934873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38467406 + 38467407.

It is an arithmetic number, because the mean of its divisors is an integer number (38467407).

Almost surely, 2^76934813 is an apocalyptic number.

It is an amenable number.

76934813 is a deficient number, since it is larger than the sum of its proper divisors (1).

76934813 is an equidigital number, since it uses as much as digits as its factorization.

76934813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 76934813 is about 8771.2492268775. The cubic root of 76934813 is about 425.3119978920.

The spelling of 76934813 in words is "seventy-six million, nine hundred thirty-four thousand, eight hundred thirteen".