2672668723 has 4 divisors (see below), whose sum is σ = 2676825928. Its totient is φ = 2668511520.

The previous prime is 2672668721. The next prime is 2672668729. The reversal of 2672668723 is 3278662762.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2672668723 - 2¹ = 2672668721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2672668721) 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 3 ways as a sum of consecutive naturals, for example, 2077638 + ... + 2078923.

It is an arithmetic number, because the mean of its divisors is an integer number (669206482).

Almost surely, 2^2672668723 is an apocalyptic number.

2672668723 is a deficient number, since it is larger than the sum of its proper divisors (4157205).

2672668723 is an equidigital number, since it uses as much as digits as its factorization.

2672668723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4157204.

The product of its digits is 2032128, while the sum is 49.

The square root of 2672668723 is about 51697.8599460365. The cubic root of 2672668723 is about 1387.7621674667.

The spelling of 2672668723 in words is "two billion, six hundred seventy-two million, six hundred sixty-eight thousand, seven hundred twenty-three".