2782372 has 6 divisors (see below), whose sum is σ = 4869158. Its totient is φ = 1391184.

The previous prime is 2782361. The next prime is 2782391. The reversal of 2782372 is 2732872.

2782372 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2735716 + 46656 = 1654^2 + 216^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347793 + ... + 347800.

2^2782372 is an apocalyptic number.

It is an amenable number.

2782372 is a deficient number, since it is larger than the sum of its proper divisors (2086786).

2782372 is a wasteful number, since it uses less digits than its factorization.

2782372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695597 (or 695595 counting only the distinct ones).

The product of its digits is 9408, while the sum is 31.

The square root of 2782372 is about 1668.0443639184. The cubic root of 2782372 is about 140.6495665394.

The spelling of 2782372 in words is "two million, seven hundred eighty-two thousand, three hundred seventy-two".