7240843 has 4 divisors (see below), whose sum is σ = 7621960. Its totient is φ = 6859728.

The previous prime is 7240841. The next prime is 7240847. The reversal of 7240843 is 3480427.

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 7240843 - 2¹ = 7240841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7240841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190530 + ... + 190567.

It is an arithmetic number, because the mean of its divisors is an integer number (1905490).

Almost surely, 2^7240843 is an apocalyptic number.

7240843 is a deficient number, since it is larger than the sum of its proper divisors (381117).

7240843 is a wasteful number, since it uses less digits than its factorization.

7240843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381116.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 7240843 is about 2690.8814540964. The cubic root of 7240843 is about 193.4623135236.

The spelling of 7240843 in words is "seven million, two hundred forty thousand, eight hundred forty-three".