76378933 has 2 divisors, whose sum is σ = 76378934. Its totient is φ = 76378932.

The previous prime is 76378919. The next prime is 76378937. The reversal of 76378933 is 33987367.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59089969 + 17288964 = 7687^2 + 4158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76378933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76378937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38189466 + 38189467.

It is an arithmetic number, because the mean of its divisors is an integer number (38189467).

Almost surely, 2^76378933 is an apocalyptic number.

It is an amenable number.

76378933 is a deficient number, since it is larger than the sum of its proper divisors (1).

76378933 is an equidigital number, since it uses as much as digits as its factorization.

76378933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 46.

The square root of 76378933 is about 8739.5041621364. The cubic root of 76378933 is about 424.2851799426.

The spelling of 76378933 in words is "seventy-six million, three hundred seventy-eight thousand, nine hundred thirty-three".