76717444 has 12 divisors (see below), whose sum is σ = 134469468. Its totient is φ = 38297600.

The previous prime is 76717439. The next prime is 76717451. The reversal of 76717444 is 44471767.

It can be written as a sum of positive squares in 2 ways, for example, as 60217600 + 16499844 = 7760^2 + 4062^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76717397 and 76717406.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12397 + ... + 17524.

It is an arithmetic number, because the mean of its divisors is an integer number (11205789).

Almost surely, 2^76717444 is an apocalyptic number.

It is an amenable number.

76717444 is a deficient number, since it is larger than the sum of its proper divisors (57752024).

76717444 is a wasteful number, since it uses less digits than its factorization.

76717444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30566 (or 30564 counting only the distinct ones).

The product of its digits is 131712, while the sum is 40.

The square root of 76717444 is about 8758.8494678240. The cubic root of 76717444 is about 424.9110660511.

The spelling of 76717444 in words is "seventy-six million, seven hundred seventeen thousand, four hundred forty-four".