2787294672 has 40 divisors (see below), whose sum is σ = 8000569280. Its totient is φ = 929098080.

The previous prime is 2787294667. The next prime is 2787294673. The reversal of 2787294672 is 2764927872.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2787294673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3225604 + ... + 3226467.

It is an arithmetic number, because the mean of its divisors is an integer number (200014232).

Almost surely, 2^2787294672 is an apocalyptic number.

It is an amenable number.

2787294672 is an abundant number, since it is smaller than the sum of its proper divisors (5213274608).

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

2787294672 is a wasteful number, since it uses less digits than its factorization.

2787294672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6452088 (or 6452076 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 54.

The square root of 2787294672 is about 52794.8356565299. The cubic root of 2787294672 is about 1407.3246508312.

The spelling of 2787294672 in words is "two billion, seven hundred eighty-seven million, two hundred ninety-four thousand, six hundred seventy-two".