2730542 has 8 divisors (see below), whose sum is σ = 4228032. Its totient is φ = 1321200.

The previous prime is 2730529. The next prime is 2730569. The reversal of 2730542 is 2450372.

2730542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×2730542² = 14911719227528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21959 + ... + 22082.

It is an arithmetic number, because the mean of its divisors is an integer number (528504).

2^2730542 is an apocalyptic number.

2730542 is a deficient number, since it is larger than the sum of its proper divisors (1497490).

2730542 is a wasteful number, since it uses less digits than its factorization.

2730542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44074.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 2730542 is about 1652.4351727072. The cubic root of 2730542 is about 139.7707472480.

The spelling of 2730542 in words is "two million, seven hundred thirty thousand, five hundred forty-two".