4242705 has 8 divisors (see below), whose sum is σ = 6788352. Its totient is φ = 2262768.

The previous prime is 4242677. The next prime is 4242709. The reversal of 4242705 is 5072424.

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

It is not a de Polignac number, because 4242705 - 2⁸ = 4242449 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4242709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141409 + ... + 141438.

It is an arithmetic number, because the mean of its divisors is an integer number (848544).

Almost surely, 2^4242705 is an apocalyptic number.

It is an amenable number.

4242705 is a deficient number, since it is larger than the sum of its proper divisors (2545647).

4242705 is a wasteful number, since it uses less digits than its factorization.

4242705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282855.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 4242705 is about 2059.7827555352. The cubic root of 4242705 is about 161.8878586805.

The spelling of 4242705 in words is "four million, two hundred forty-two thousand, seven hundred five".