676455172 has 6 divisors (see below), whose sum is σ = 1183796558. Its totient is φ = 338227584.

The previous prime is 676455103. The next prime is 676455179. The reversal of 676455172 is 271554676.

It can be written as a sum of positive squares in only one way, i.e., 590781636 + 85673536 = 24306^2 + 9256^2 .

It is not an unprimeable number, because it can be changed into a prime (676455179) 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, 84556893 + ... + 84556900.

Almost surely, 2^676455172 is an apocalyptic number.

It is an amenable number.

676455172 is a deficient number, since it is larger than the sum of its proper divisors (507341386).

676455172 is a wasteful number, since it uses less digits than its factorization.

676455172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169113797 (or 169113795 counting only the distinct ones).

The product of its digits is 352800, while the sum is 43.

The square root of 676455172 is about 26008.7518347190. The cubic root of 676455172 is about 877.8352318011.

The spelling of 676455172 in words is "six hundred seventy-six million, four hundred fifty-five thousand, one hundred seventy-two".