76042069 has 2 divisors, whose sum is σ = 76042070. Its totient is φ = 76042068.

The previous prime is 76042013. The next prime is 76042073. The reversal of 76042069 is 96024067.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44063044 + 31979025 = 6638^2 + 5655^2 .

It is a cyclic number.

It is not a de Polignac number, because 76042069 - 2⁹ = 76041557 is a prime.

It is a super-2 number, since 2×76042069² = 11564792515601522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76042469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38021034 + 38021035.

It is an arithmetic number, because the mean of its divisors is an integer number (38021035).

Almost surely, 2^76042069 is an apocalyptic number.

It is an amenable number.

76042069 is a deficient number, since it is larger than the sum of its proper divisors (1).

76042069 is an equidigital number, since it uses as much as digits as its factorization.

76042069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 76042069 is about 8720.2103759026. The cubic root of 76042069 is about 423.6605005276.

The spelling of 76042069 in words is "seventy-six million, forty-two thousand, sixty-nine".