672209082604 has 6 divisors (see below), whose sum is σ = 1176365894564. Its totient is φ = 336104541300.

The previous prime is 672209082593. The next prime is 672209082607. The reversal of 672209082604 is 406280902276.

It is a super-2 number, since 2×672209082604² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (672209082607) by changing a digit.

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, 84026135322 + ... + 84026135329.

Almost surely, 2^672209082604 is an apocalyptic number.

It is an amenable number.

672209082604 is a deficient number, since it is larger than the sum of its proper divisors (504156811960).

672209082604 is a wasteful number, since it uses less digits than its factorization.

672209082604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168052270655 (or 168052270653 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 672209082604 in words is "six hundred seventy-two billion, two hundred nine million, eighty-two thousand, six hundred four".