2730742 has 8 divisors (see below), whose sum is σ = 4681296. Its totient is φ = 1170312.

The previous prime is 2730713. The next prime is 2730743. The reversal of 2730742 is 2470372.

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 (2730743) 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, 97513 + ... + 97540.

It is an arithmetic number, because the mean of its divisors is an integer number (585162).

2^2730742 is an apocalyptic number.

2730742 is a deficient number, since it is larger than the sum of its proper divisors (1950554).

2730742 is a wasteful number, since it uses less digits than its factorization.

2730742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195062.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 2730742 is about 1652.4956883454. The cubic root of 2730742 is about 139.7741596922.

The spelling of 2730742 in words is "two million, seven hundred thirty thousand, seven hundred forty-two".