7240159 has 4 divisors (see below), whose sum is σ = 7621240. Its totient is φ = 6859080.

The previous prime is 7240157. The next prime is 7240183. The reversal of 7240159 is 9510427.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7240159 - 2¹ = 7240157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7240153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190512 + ... + 190549.

It is an arithmetic number, because the mean of its divisors is an integer number (1905310).

Almost surely, 2^7240159 is an apocalyptic number.

7240159 is a deficient number, since it is larger than the sum of its proper divisors (381081).

7240159 is a wasteful number, since it uses less digits than its factorization.

7240159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381080.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 7240159 is about 2690.7543551948. The cubic root of 7240159 is about 193.4562215815.

The spelling of 7240159 in words is "seven million, two hundred forty thousand, one hundred fifty-nine".