672726432872 has 16 divisors (see below), whose sum is σ = 1358389912740. Its totient is φ = 310489122816.

The previous prime is 672726432869. The next prime is 672726432881. The reversal of 672726432872 is 278234627276.

672726432872 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 2 ways, for example, as 513696159076 + 159030273796 = 716726^2 + 398786^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3234261593 + ... + 3234261800.

Almost surely, 2^672726432872 is an apocalyptic number.

It is an amenable number.

672726432872 is an abundant number, since it is smaller than the sum of its proper divisors (685663479868).

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

672726432872 is a wasteful number, since it uses less digits than its factorization.

672726432872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6468523412 (or 6468523408 counting only the distinct ones).

The product of its digits is 18966528, while the sum is 56.

The spelling of 672726432872 in words is "six hundred seventy-two billion, seven hundred twenty-six million, four hundred thirty-two thousand, eight hundred seventy-two".