672720115568 has 80 divisors (see below), whose sum is σ = 1464140574720. Its totient is φ = 297550568448.

The previous prime is 672720115493. The next prime is 672720115591. The reversal of 672720115568 is 865511027276.

672720115568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143855 + ... + 1168817.

It is an arithmetic number, because the mean of its divisors is an integer number (18301757184).

Almost surely, 2^672720115568 is an apocalyptic number.

672720115568 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 672720115568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (732070287360).

672720115568 is an abundant number, since it is smaller than the sum of its proper divisors (791420459152).

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

672720115568 is a wasteful number, since it uses less digits than its factorization.

672720115568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025134 (or 1025128 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 672720115568 in words is "six hundred seventy-two billion, seven hundred twenty million, one hundred fifteen thousand, five hundred sixty-eight".