676422445 has 8 divisors (see below), whose sum is σ = 813885336. Its totient is φ = 539685696.

The previous prime is 676422421. The next prime is 676422451. The reversal of 676422445 is 544224676.

It can be written as a sum of positive squares in 4 ways, for example, as 286083396 + 390339049 = 16914^2 + 19757^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 676422445 - 2⁵ = 676422413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 676422398 and 676422407.

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 7 ways as a sum of consecutive naturals, for example, 179482 + ... + 183211.

It is an arithmetic number, because the mean of its divisors is an integer number (101735667).

Almost surely, 2^676422445 is an apocalyptic number.

It is an amenable number.

676422445 is a deficient number, since it is larger than the sum of its proper divisors (137462891).

676422445 is a wasteful number, since it uses less digits than its factorization.

676422445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363071.

The product of its digits is 322560, while the sum is 40.

The square root of 676422445 is about 26008.1226735034. The cubic root of 676422445 is about 877.8210749738.

The spelling of 676422445 in words is "six hundred seventy-six million, four hundred twenty-two thousand, four hundred forty-five".