76635469 has 2 divisors, whose sum is σ = 76635470. Its totient is φ = 76635468.

The previous prime is 76635463. The next prime is 76635479. The reversal of 76635469 is 96453667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66618244 + 10017225 = 8162^2 + 3165^2 .

It is an emirp because it is prime and its reverse (96453667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76635469 - 2¹³ = 76627277 is a prime.

It is a super-2 number, since 2×76635469² = 11745990217699922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76635463) 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, 38317734 + 38317735.

It is an arithmetic number, because the mean of its divisors is an integer number (38317735).

Almost surely, 2^76635469 is an apocalyptic number.

It is an amenable number.

76635469 is a deficient number, since it is larger than the sum of its proper divisors (1).

76635469 is an equidigital number, since it uses as much as digits as its factorization.

76635469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 46.

The square root of 76635469 is about 8754.1686641280. The cubic root of 76635469 is about 424.7596685045.

The spelling of 76635469 in words is "seventy-six million, six hundred thirty-five thousand, four hundred sixty-nine".