76390133 has 2 divisors, whose sum is σ = 76390134. Its totient is φ = 76390132.

The previous prime is 76390123. The next prime is 76390141. The reversal of 76390133 is 33109367.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74252689 + 2137444 = 8617^2 + 1462^2 .

It is a cyclic number.

It is not a de Polignac number, because 76390133 - 2¹⁶ = 76324597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 76390133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76390123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38195066 + 38195067.

It is an arithmetic number, because the mean of its divisors is an integer number (38195067).

Almost surely, 2^76390133 is an apocalyptic number.

It is an amenable number.

76390133 is a deficient number, since it is larger than the sum of its proper divisors (1).

76390133 is an equidigital number, since it uses as much as digits as its factorization.

76390133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 32.

The square root of 76390133 is about 8740.1449072656. The cubic root of 76390133 is about 424.3059176058.

The spelling of 76390133 in words is "seventy-six million, three hundred ninety thousand, one hundred thirty-three".