76122769 has 2 divisors, whose sum is σ = 76122770. Its totient is φ = 76122768.

The previous prime is 76122757. The next prime is 76122829. The reversal of 76122769 is 96722167.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75777025 + 345744 = 8705^2 + 588^2 .

It is a cyclic number.

It is not a de Polignac number, because 76122769 - 2⁵ = 76122737 is a prime.

It is a super-2 number, since 2×76122769² = 11589351920454722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76122749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38061384 + 38061385.

It is an arithmetic number, because the mean of its divisors is an integer number (38061385).

Almost surely, 2^76122769 is an apocalyptic number.

It is an amenable number.

76122769 is a deficient number, since it is larger than the sum of its proper divisors (1).

76122769 is an equidigital number, since it uses as much as digits as its factorization.

76122769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 40.

The square root of 76122769 is about 8724.8363308431. The cubic root of 76122769 is about 423.8103181019.

The spelling of 76122769 in words is "seventy-six million, one hundred twenty-two thousand, seven hundred sixty-nine".