2784723372 has 144 divisors (see below), whose sum is σ = 7568171520. Its totient is φ = 860803200.

The previous prime is 2784723371. The next prime is 2784723379. The reversal of 2784723372 is 2733274872.

2784723372 is a `hidden beast` number, since 278 + 4 + 7 + 2 + 3 + 372 = 666.

It is not an unprimeable number, because it can be changed into a prime (2784723371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10275597 + ... + 10275867.

Almost surely, 2^2784723372 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 2784723372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3784085760).

2784723372 is an abundant number, since it is smaller than the sum of its proper divisors (4783448148).

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

2784723372 is a wasteful number, since it uses less digits than its factorization.

2784723372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 559 counting only the distinct ones).

The product of its digits is 790272, while the sum is 45.

The square root of 2784723372 is about 52770.4782240980. The cubic root of 2784723372 is about 1406.8917618814.

The spelling of 2784723372 in words is "two billion, seven hundred eighty-four million, seven hundred twenty-three thousand, three hundred seventy-two".