2647907672 has 16 divisors (see below), whose sum is σ = 4979058000. Its totient is φ = 1320158880.

The previous prime is 2647907663. The next prime is 2647907677. The reversal of 2647907672 is 2767097462.

It is a super-2 number, since 2×2647907672² = 14022830078872919168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2647907672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2647907677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471404 + ... + 476987.

It is an arithmetic number, because the mean of its divisors is an integer number (311191125).

Almost surely, 2^2647907672 is an apocalyptic number.

It is an amenable number.

2647907672 is a deficient number, since it is larger than the sum of its proper divisors (2331150328).

2647907672 is a wasteful number, since it uses less digits than its factorization.

2647907672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948746 (or 948742 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 50.

The square root of 2647907672 is about 51457.8242058484. The cubic root of 2647907672 is about 1383.4632038455.

The spelling of 2647907672 in words is "two billion, six hundred forty-seven million, nine hundred seven thousand, six hundred seventy-two".