2747972 has 6 divisors (see below), whose sum is σ = 4808958. Its totient is φ = 1373984.

The previous prime is 2747963. The next prime is 2747977. The reversal of 2747972 is 2797472.

2747972 is digitally balanced in base 2 and base 5, because in such bases 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., 2483776 + 264196 = 1576^2 + 514^2 .

It is a super-2 number, since 2×2747972² = 15102700225568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2747977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343493 + ... + 343500.

It is an arithmetic number, because the mean of its divisors is an integer number (801493).

2^2747972 is an apocalyptic number.

It is an amenable number.

2747972 is a deficient number, since it is larger than the sum of its proper divisors (2060986).

2747972 is a wasteful number, since it uses less digits than its factorization.

2747972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686997 (or 686995 counting only the distinct ones).

The product of its digits is 49392, while the sum is 38.

The square root of 2747972 is about 1657.7008173974. The cubic root of 2747972 is about 140.0675184527.

The spelling of 2747972 in words is "two million, seven hundred forty-seven thousand, nine hundred seventy-two".