7240017 has 4 divisors (see below), whose sum is σ = 9653360. Its totient is φ = 4826676.

The previous prime is 7240001. The next prime is 7240031. The reversal of 7240017 is 7100427.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7100427 = 3 ⋅2366809.

It is not a de Polignac number, because 7240017 - 2⁴ = 7240001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7239975 and 7240002.

It is not an unprimeable number, because it can be changed into a prime (7240097) 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, 1206667 + ... + 1206672.

It is an arithmetic number, because the mean of its divisors is an integer number (2413340).

Almost surely, 2^7240017 is an apocalyptic number.

It is an amenable number.

7240017 is a deficient number, since it is larger than the sum of its proper divisors (2413343).

7240017 is a wasteful number, since it uses less digits than its factorization.

7240017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413342.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 7240017 is about 2690.7279684130. The cubic root of 7240017 is about 193.4549568319.

The spelling of 7240017 in words is "seven million, two hundred forty thousand, seventeen".