2764489272 has 32 divisors (see below), whose sum is σ = 7317766800. Its totient is φ = 867290624.

The previous prime is 2764489271. The next prime is 2764489319. The reversal of 2764489272 is 2729844672.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2764489271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3387447 + ... + 3388262.

Almost surely, 2^2764489272 is an apocalyptic number.

It is an amenable number.

2764489272 is an abundant number, since it is smaller than the sum of its proper divisors (4553277528).

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

2764489272 is a wasteful number, since it uses less digits than its factorization.

2764489272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6775735 (or 6775731 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The square root of 2764489272 is about 52578.4107024927. The cubic root of 2764489272 is about 1403.4759328478.

The spelling of 2764489272 in words is "two billion, seven hundred sixty-four million, four hundred eighty-nine thousand, two hundred seventy-two".