7242737 has 2 divisors, whose sum is σ = 7242738. Its totient is φ = 7242736.

The previous prime is 7242733. The next prime is 7242751. The reversal of 7242737 is 7372427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4669921 + 2572816 = 2161^2 + 1604^2 .

It is a cyclic number.

It is not a de Polignac number, because 7242737 - 2² = 7242733 is a prime.

It is not a weakly prime, because it can be changed into another prime (7242733) 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 as a sum of consecutive naturals, namely, 3621368 + 3621369.

It is an arithmetic number, because the mean of its divisors is an integer number (3621369).

Almost surely, 2^7242737 is an apocalyptic number.

It is an amenable number.

7242737 is a deficient number, since it is larger than the sum of its proper divisors (1).

7242737 is an equidigital number, since it uses as much as digits as its factorization.

7242737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16464, while the sum is 32.

The square root of 7242737 is about 2691.2333603759. The cubic root of 7242737 is about 193.4791801453.

The spelling of 7242737 in words is "seven million, two hundred forty-two thousand, seven hundred thirty-seven".