7281242 has 8 divisors (see below), whose sum is σ = 11005632. Its totient is φ = 3612700.

The previous prime is 7281229. The next prime is 7281247. The reversal of 7281242 is 2421827.

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

It is not an unprimeable number, because it can be changed into a prime (7281247) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13634 + ... + 14157.

It is an arithmetic number, because the mean of its divisors is an integer number (1375704).

Almost surely, 2^7281242 is an apocalyptic number.

7281242 is a deficient number, since it is larger than the sum of its proper divisors (3724390).

7281242 is a wasteful number, since it uses less digits than its factorization.

7281242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27924.

The product of its digits is 1792, while the sum is 26.

The square root of 7281242 is about 2698.3776607436. The cubic root of 7281242 is about 193.8214426786.

The spelling of 7281242 in words is "seven million, two hundred eighty-one thousand, two hundred forty-two".