672702716550 has 24 divisors (see below), whose sum is σ = 1668302737416. Its totient is φ = 179387391040.

The previous prime is 672702716549. The next prime is 672702716597. The reversal of 672702716550 is 55617207276.

It is a self number, because there is not a number n which added to its sum of digits gives 672702716550.

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 2242342239 + ... + 2242342538.

It is an arithmetic number, because the mean of its divisors is an integer number (69512614059).

Almost surely, 2^672702716550 is an apocalyptic number.

672702716550 is an abundant number, since it is smaller than the sum of its proper divisors (995600020866).

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

672702716550 is a wasteful number, since it uses less digits than its factorization.

672702716550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484684792 (or 4484684787 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 48.

The spelling of 672702716550 in words is "six hundred seventy-two billion, seven hundred two million, seven hundred sixteen thousand, five hundred fifty".