76429469 has 2 divisors, whose sum is σ = 76429470. Its totient is φ = 76429468.

The previous prime is 76429429. The next prime is 76429481. The reversal of 76429469 is 96492467.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55681444 + 20748025 = 7462^2 + 4555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76429469 is a prime.

It is a super-2 number, since 2×76429469² = 11682927463243922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76429429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38214734 + 38214735.

It is an arithmetic number, because the mean of its divisors is an integer number (38214735).

Almost surely, 2^76429469 is an apocalyptic number.

It is an amenable number.

76429469 is a deficient number, since it is larger than the sum of its proper divisors (1).

76429469 is an equidigital number, since it uses as much as digits as its factorization.

76429469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The square root of 76429469 is about 8742.3949235893. The cubic root of 76429469 is about 424.3787351845.

The spelling of 76429469 in words is "seventy-six million, four hundred twenty-nine thousand, four hundred sixty-nine".