7243057 has 6 divisors (see below), whose sum is σ = 7485234. Its totient is φ = 7008480.

The previous prime is 7243021. The next prime is 7243109. The reversal of 7243057 is 7503427.

It can be written as a sum of positive squares in only one way, i.e., 5997601 + 1245456 = 2449^2 + 1116^2 .

It is not a de Polignac number, because 7243057 - 2¹¹ = 7241009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7243007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2808 + ... + 4729.

It is an arithmetic number, because the mean of its divisors is an integer number (1247539).

Almost surely, 2^7243057 is an apocalyptic number.

It is an amenable number.

7243057 is a deficient number, since it is larger than the sum of its proper divisors (242177).

7243057 is an equidigital number, since it uses as much as digits as its factorization.

7243057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7599 (or 7568 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 7243057 is about 2691.2928120143. The cubic root of 7243057 is about 193.4820295481.

The spelling of 7243057 in words is "seven million, two hundred forty-three thousand, fifty-seven".