76444169 has 2 divisors, whose sum is σ = 76444170. Its totient is φ = 76444168.

The previous prime is 76444141. The next prime is 76444187. The reversal of 76444169 is 96144467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76038400 + 405769 = 8720^2 + 637^2 .

It is a cyclic number.

It is not a de Polignac number, because 76444169 - 2¹² = 76440073 is a prime.

It is a super-2 number, since 2×76444169² = 11687421948201122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76444469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38222084 + 38222085.

It is an arithmetic number, because the mean of its divisors is an integer number (38222085).

Almost surely, 2^76444169 is an apocalyptic number.

It is an amenable number.

76444169 is a deficient number, since it is larger than the sum of its proper divisors (1).

76444169 is an equidigital number, since it uses as much as digits as its factorization.

76444169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 76444169 is about 8743.2356138903. The cubic root of 76444169 is about 424.4059409537.

The spelling of 76444169 in words is "seventy-six million, four hundred forty-four thousand, one hundred sixty-nine".