2672756646 has 24 divisors (see below), whose sum is σ = 6218250840. Its totient is φ = 763644672.

The previous prime is 2672756641. The next prime is 2672756651. The reversal of 2672756646 is 6466572762.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2672756641) and next prime (2672756651).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2672756641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4545211 + ... + 4545798.

It is an arithmetic number, because the mean of its divisors is an integer number (259093785).

Almost surely, 2^2672756646 is an apocalyptic number.

2672756646 is an abundant number, since it is smaller than the sum of its proper divisors (3545494194).

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

2672756646 is a wasteful number, since it uses less digits than its factorization.

2672756646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9091028 (or 9091021 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 51.

The square root of 2672756646 is about 51698.7102933913. The cubic root of 2672756646 is about 1387.7773850747. Note that the first 3 decimals are identical.

The spelling of 2672756646 in words is "two billion, six hundred seventy-two million, seven hundred fifty-six thousand, six hundred forty-six".