672622756612 has 6 divisors (see below), whose sum is σ = 1177089824078. Its totient is φ = 336311378304.

The previous prime is 672622756591. The next prime is 672622756657. The reversal of 672622756612 is 216657226276.

It can be written as a sum of positive squares in only one way, i.e., 550112956416 + 122509800196 = 741696^2 + 350014^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 672622756612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84077844573 + ... + 84077844580.

Almost surely, 2^672622756612 is an apocalyptic number.

It is an amenable number.

672622756612 is a deficient number, since it is larger than the sum of its proper divisors (504467067466).

672622756612 is a wasteful number, since it uses less digits than its factorization.

672622756612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168155689157 (or 168155689155 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 52.

The spelling of 672622756612 in words is "six hundred seventy-two billion, six hundred twenty-two million, seven hundred fifty-six thousand, six hundred twelve".