7240187 has 2 divisors, whose sum is σ = 7240188. Its totient is φ = 7240186.

The previous prime is 7240183. The next prime is 7240201. The reversal of 7240187 is 7810427.

It is a weak prime.

It is an emirp because it is prime and its reverse (7810427) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7240187 - 2² = 7240183 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7240183) 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 as a sum of consecutive naturals, namely, 3620093 + 3620094.

It is an arithmetic number, because the mean of its divisors is an integer number (3620094).

Almost surely, 2^7240187 is an apocalyptic number.

7240187 is a deficient number, since it is larger than the sum of its proper divisors (1).

7240187 is an equidigital number, since it uses as much as digits as its factorization.

7240187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 7240187 is about 2690.7595581917. The cubic root of 7240187 is about 193.4564709668.

The spelling of 7240187 in words is "seven million, two hundred forty thousand, one hundred eighty-seven".