4242765 has 8 divisors (see below), whose sum is σ = 6788448. Its totient is φ = 2262800.

The previous prime is 4242761. The next prime is 4242781. The reversal of 4242765 is 5672424.

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

It is not a de Polignac number, because 4242765 - 2² = 4242761 is a prime.

4242765 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242761) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 141411 + ... + 141440.

It is an arithmetic number, because the mean of its divisors is an integer number (848556).

Almost surely, 2^4242765 is an apocalyptic number.

It is an amenable number.

4242765 is a deficient number, since it is larger than the sum of its proper divisors (2545683).

4242765 is a wasteful number, since it uses less digits than its factorization.

4242765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282859.

The product of its digits is 13440, while the sum is 30.

The square root of 4242765 is about 2059.7973201264. The cubic root of 4242765 is about 161.8886218120. Note that the first 3 decimals are identical.

The spelling of 4242765 in words is "four million, two hundred forty-two thousand, seven hundred sixty-five".