7242718 has 8 divisors (see below), whose sum is σ = 12416112. Its totient is φ = 3104016.

The previous prime is 7242707. The next prime is 7242727. The reversal of 7242718 is 8172427.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7242718.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258655 + ... + 258682.

It is an arithmetic number, because the mean of its divisors is an integer number (1552014).

Almost surely, 2^7242718 is an apocalyptic number.

7242718 is a deficient number, since it is larger than the sum of its proper divisors (5173394).

7242718 is a wasteful number, since it uses less digits than its factorization.

7242718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517346.

The product of its digits is 6272, while the sum is 31.

The square root of 7242718 is about 2691.2298303935. The cubic root of 7242718 is about 193.4790109593.

The spelling of 7242718 in words is "seven million, two hundred forty-two thousand, seven hundred eighteen".