76448169 has 24 divisors (see below), whose sum is σ = 126489792. Its totient is φ = 43584480.

The previous prime is 76448143. The next prime is 76448171. The reversal of 76448169 is 96184467.

It is not a de Polignac number, because 76448169 - 2⁵ = 76448137 is a prime.

It is a super-2 number, since 2×76448169² = 11688645086905122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76448069) 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 in 23 ways as a sum of consecutive naturals, for example, 32962 + ... + 35204.

It is an arithmetic number, because the mean of its divisors is an integer number (5270408).

Almost surely, 2^76448169 is an apocalyptic number.

It is an amenable number.

76448169 is a deficient number, since it is larger than the sum of its proper divisors (50041623).

76448169 is a wasteful number, since it uses less digits than its factorization.

76448169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797 (or 2794 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 76448169 is about 8743.4643591657. The cubic root of 76448169 is about 424.4133432805.

The spelling of 76448169 in words is "seventy-six million, four hundred forty-eight thousand, one hundred sixty-nine".