76505369 has 2 divisors, whose sum is σ = 76505370. Its totient is φ = 76505368.

The previous prime is 76505339. The next prime is 76505431. The reversal of 76505369 is 96350567.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50239744 + 26265625 = 7088^2 + 5125^2 .

It is a cyclic number.

It is not a de Polignac number, because 76505369 - 2²⁰ = 75456793 is a prime.

It is a super-2 number, since 2×76505369² = 11706142971652322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76505309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38252684 + 38252685.

It is an arithmetic number, because the mean of its divisors is an integer number (38252685).

Almost surely, 2^76505369 is an apocalyptic number.

It is an amenable number.

76505369 is a deficient number, since it is larger than the sum of its proper divisors (1).

76505369 is an equidigital number, since it uses as much as digits as its factorization.

76505369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 76505369 is about 8746.7347621841. The cubic root of 76505369 is about 424.5191683180.

The spelling of 76505369 in words is "seventy-six million, five hundred five thousand, three hundred sixty-nine".