2972782 has 8 divisors (see below), whose sum is σ = 4473000. Its totient is φ = 1481784.

The previous prime is 2972777. The next prime is 2972789. The reversal of 2972782 is 2872792.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2972789) 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 3 ways as a sum of consecutive naturals, for example, 1432 + ... + 2827.

It is an arithmetic number, because the mean of its divisors is an integer number (559125).

2^2972782 is an apocalyptic number.

2972782 is a deficient number, since it is larger than the sum of its proper divisors (1500218).

2972782 is a wasteful number, since it uses less digits than its factorization.

2972782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4610.

The product of its digits is 28224, while the sum is 37.

The square root of 2972782 is about 1724.1757451026. The cubic root of 2972782 is about 143.7874629517.

The spelling of 2972782 in words is "two million, nine hundred seventy-two thousand, seven hundred eighty-two".