672206705620 has 24 divisors (see below), whose sum is σ = 1424826928224. Its totient is φ = 266369759136.

The previous prime is 672206705581. The next prime is 672206705627. The reversal of 672206705620 is 26507602276.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672206705627) 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 in 7 ways as a sum of consecutive naturals, for example, 157055502 + ... + 157059781.

It is an arithmetic number, because the mean of its divisors is an integer number (59367788676).

Almost surely, 2^672206705620 is an apocalyptic number.

It is an amenable number.

672206705620 is an abundant number, since it is smaller than the sum of its proper divisors (752620222604).

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

672206705620 is a wasteful number, since it uses less digits than its factorization.

672206705620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314115399 (or 314115397 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 672206705620 in words is "six hundred seventy-two billion, two hundred six million, seven hundred five thousand, six hundred twenty".