2747942 has 8 divisors (see below), whose sum is σ = 4145232. Its totient is φ = 1366200.

The previous prime is 2747923. The next prime is 2747947. The reversal of 2747942 is 2497472.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2747947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3434 + ... + 4157.

It is an arithmetic number, because the mean of its divisors is an integer number (518154).

2^2747942 is an apocalyptic number.

2747942 is a deficient number, since it is larger than the sum of its proper divisors (1397290).

2747942 is a wasteful number, since it uses less digits than its factorization.

2747942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7774.

The product of its digits is 28224, while the sum is 35.

The square root of 2747942 is about 1657.6917686953. The cubic root of 2747942 is about 140.0670087386.

The spelling of 2747942 in words is "two million, seven hundred forty-seven thousand, nine hundred forty-two".