76329445 has 4 divisors (see below), whose sum is σ = 91595340. Its totient is φ = 61063552.

The previous prime is 76329419. The next prime is 76329467. The reversal of 76329445 is 54492367.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55980324 + 20349121 = 7482^2 + 4511^2 .

It is a cyclic number.

It is not a de Polignac number, because 76329445 - 2⁹ = 76328933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76329398 and 76329407.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 7632940 + ... + 7632949.

It is an arithmetic number, because the mean of its divisors is an integer number (22898835).

Almost surely, 2^76329445 is an apocalyptic number.

It is an amenable number.

76329445 is a deficient number, since it is larger than the sum of its proper divisors (15265895).

76329445 is a wasteful number, since it uses less digits than its factorization.

76329445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15265894.

The product of its digits is 181440, while the sum is 40.

The square root of 76329445 is about 8736.6724214657. The cubic root of 76329445 is about 424.1935248198.

The spelling of 76329445 in words is "seventy-six million, three hundred twenty-nine thousand, four hundred forty-five".