672000881 has 4 divisors (see below), whose sum is σ = 672082164. Its totient is φ = 671919600.

The previous prime is 672000869. The next prime is 672000883. The reversal of 672000881 is 188000276.

672000881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 153983281 + 518017600 = 12409^2 + 22760^2 .

It is a cyclic number.

It is not a de Polignac number, because 672000881 - 2²⁶ = 604892017 is a prime.

It is a super-2 number, since 2×672000881² = 903170368129552322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672000883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26630 + ... + 45311.

It is an arithmetic number, because the mean of its divisors is an integer number (168020541).

Almost surely, 2^672000881 is an apocalyptic number.

It is an amenable number.

672000881 is a deficient number, since it is larger than the sum of its proper divisors (81283).

672000881 is an equidigital number, since it uses as much as digits as its factorization.

672000881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81282.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 672000881 is about 25922.9797862823. The cubic root of 672000881 is about 875.9042107509.

The spelling of 672000881 in words is "six hundred seventy-two million, eight hundred eighty-one", and thus it is an aban number.