2747722 has 4 divisors (see below), whose sum is σ = 4121586. Its totient is φ = 1373860.

The previous prime is 2747713. The next prime is 2747749. The reversal of 2747722 is 2277472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2313441 + 434281 = 1521^2 + 659^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686929 + ... + 686932.

2^2747722 is an apocalyptic number.

2747722 is a deficient number, since it is larger than the sum of its proper divisors (1373864).

2747722 is a wasteful number, since it uses less digits than its factorization.

2747722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373863.

The product of its digits is 10976, while the sum is 31.

The square root of 2747722 is about 1657.6254100369. The cubic root of 2747722 is about 140.0632707212.

The spelling of 2747722 in words is "two million, seven hundred forty-seven thousand, seven hundred twenty-two".