672208522783776 has 108 divisors (see below), whose sum is σ = 2101172456527326. Its totient is φ = 203699552348160.

The previous prime is 672208522783757. The next prime is 672208522783789. The reversal of 672208522783776 is 677387225802276.

It is a happy number.

672208522783776 is a `hidden beast` number, since 6 + 7 + 2 + 20 + 8 + 5 + 227 + 8 + 377 + 6 = 666.

672208522783776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 635026089676176 + 37182433107600 = 25199724^2 + 6097740^2 .

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9644830321 + ... + 9644900016.

Almost surely, 2^{672208522783776} is an apocalyptic number.

672208522783776 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

672208522783776 is an abundant number, since it is smaller than the sum of its proper divisors (1428963933743550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672208522783776 is a wasteful number, since it uses less digits than its factorization.

672208522783776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19289730375 (or 19289730353 counting only the distinct ones).

The product of its (nonzero) digits is 1327656960, while the sum is 72.

The spelling of 672208522783776 in words is "six hundred seventy-two trillion, two hundred eight billion, five hundred twenty-two million, seven hundred eighty-three thousand, seven hundred seventy-six".