2726242 has 4 divisors (see below), whose sum is σ = 4089366. Its totient is φ = 1363120.

The previous prime is 2726237. The next prime is 2726249. The reversal of 2726242 is 2426272.

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., 2725801 + 441 = 1651^2 + 21^2 .

It is not an unprimeable number, because it can be changed into a prime (2726249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681559 + ... + 681562.

2^2726242 is an apocalyptic number.

2726242 is a deficient number, since it is larger than the sum of its proper divisors (1363124).

2726242 is a wasteful number, since it uses less digits than its factorization.

2726242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363123.

The product of its digits is 2688, while the sum is 25.

The square root of 2726242 is about 1651.1335500195. The cubic root of 2726242 is about 139.6973393583.

The spelling of 2726242 in words is "two million, seven hundred twenty-six thousand, two hundred forty-two".