7242865 has 8 divisors (see below), whose sum is σ = 9933120. Its totient is φ = 4966512.

The previous prime is 7242863. The next prime is 7242887. The reversal of 7242865 is 5682427.

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 7242865 - 2¹ = 7242863 is a prime.

7242865 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7242865.

It is not an unprimeable number, because it can be changed into a prime (7242863) 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, 103435 + ... + 103504.

It is an arithmetic number, because the mean of its divisors is an integer number (1241640).

Almost surely, 2^7242865 is an apocalyptic number.

It is an amenable number.

7242865 is a deficient number, since it is larger than the sum of its proper divisors (2690255).

7242865 is a wasteful number, since it uses less digits than its factorization.

7242865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206951.

The product of its digits is 26880, while the sum is 34.

The square root of 7242865 is about 2691.2571411889. The cubic root of 7242865 is about 193.4803199165.

The spelling of 7242865 in words is "seven million, two hundred forty-two thousand, eight hundred sixty-five".