2747242 has 8 divisors (see below), whose sum is σ = 4128516. Its totient is φ = 1371072.

The previous prime is 2747237. The next prime is 2747243. The reversal of 2747242 is 2427472.

It can be written as a sum of positive squares in 2 ways, for example, as 2563201 + 184041 = 1601^2 + 429^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2747242.

It is not an unprimeable number, because it can be changed into a prime (2747243) 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, 658 + ... + 2434.

2^2747242 is an apocalyptic number.

2747242 is a deficient number, since it is larger than the sum of its proper divisors (1381274).

2747242 is a wasteful number, since it uses less digits than its factorization.

2747242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552.

The product of its digits is 6272, while the sum is 28.

The square root of 2747242 is about 1657.4806182879. The cubic root of 2747242 is about 140.0551143545.

The spelling of 2747242 in words is "two million, seven hundred forty-seven thousand, two hundred forty-two".