2672656 has 40 divisors (see below), whose sum is σ = 6051200. Its totient is φ = 1143072.

The previous prime is 2672639. The next prime is 2672671. The reversal of 2672656 is 6562762.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5245 + ... + 5731.

It is an arithmetic number, because the mean of its divisors is an integer number (151280).

2^2672656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2672656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3025600).

2672656 is an abundant number, since it is smaller than the sum of its proper divisors (3378544).

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

2672656 is an equidigital number, since it uses as much as digits as its factorization.

2672656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 496 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 2672656 is about 1634.8259846234. The cubic root of 2672656 is about 138.7759965357.

The spelling of 2672656 in words is "two million, six hundred seventy-two thousand, six hundred fifty-six".