76738913 has 2 divisors, whose sum is σ = 76738914. Its totient is φ = 76738912.

The previous prime is 76738903. The next prime is 76738927. The reversal of 76738913 is 31983767.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76615009 + 123904 = 8753^2 + 352^2 .

It is a cyclic number.

It is not a de Polignac number, because 76738913 - 2⁴ = 76738897 is a prime.

It is not a weakly prime, because it can be changed into another prime (76738903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38369456 + 38369457.

It is an arithmetic number, because the mean of its divisors is an integer number (38369457).

Almost surely, 2^76738913 is an apocalyptic number.

It is an amenable number.

76738913 is a deficient number, since it is larger than the sum of its proper divisors (1).

76738913 is an equidigital number, since it uses as much as digits as its factorization.

76738913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 44.

The square root of 76738913 is about 8760.0749426018. The cubic root of 76738913 is about 424.9506987794.

The spelling of 76738913 in words is "seventy-six million, seven hundred thirty-eight thousand, nine hundred thirteen".