2742944 has 12 divisors (see below), whose sum is σ = 5400234. Its totient is φ = 1371456.

The previous prime is 2742937. The next prime is 2742953. The reversal of 2742944 is 4492472.

It can be written as a sum of positive squares in only one way, i.e., 2598544 + 144400 = 1612^2 + 380^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 85717 = 2742944 / (2 + 7 + 4 + 2 + 9 + 4 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 2742944.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42827 + ... + 42890.

2^2742944 is an apocalyptic number.

It is an amenable number.

2742944 is a deficient number, since it is larger than the sum of its proper divisors (2657290).

2742944 is an equidigital number, since it uses as much as digits as its factorization.

2742944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85727 (or 85719 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 2742944 is about 1656.1835647053. The cubic root of 2742944 is about 139.9820385120.

The spelling of 2742944 in words is "two million, seven hundred forty-two thousand, nine hundred forty-four".