2942705 has 8 divisors (see below), whose sum is σ = 3613632. Its totient is φ = 2299248.

The previous prime is 2942699. The next prime is 2942713. The reversal of 2942705 is 5072492.

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

It is a cyclic number.

It is not a de Polignac number, because 2942705 - 2⁸ = 2942449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6629 + ... + 7058.

It is an arithmetic number, because the mean of its divisors is an integer number (451704).

2^2942705 is an apocalyptic number.

It is an amenable number.

2942705 is a deficient number, since it is larger than the sum of its proper divisors (670927).

2942705 is a wasteful number, since it uses less digits than its factorization.

2942705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13735.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2942705 is about 1715.4314326140. The cubic root of 2942705 is about 143.3008970530.

The spelling of 2942705 in words is "two million, nine hundred forty-two thousand, seven hundred five".