7240907 has 2 divisors, whose sum is σ = 7240908. Its totient is φ = 7240906.

The previous prime is 7240901. The next prime is 7240921. The reversal of 7240907 is 7090427.

It is a weak prime.

It is an emirp because it is prime and its reverse (7090427) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7240907 - 2¹² = 7236811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7240907.

It is not a weakly prime, because it can be changed into another prime (7240901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3620453 + 3620454.

It is an arithmetic number, because the mean of its divisors is an integer number (3620454).

Almost surely, 2^7240907 is an apocalyptic number.

7240907 is a deficient number, since it is larger than the sum of its proper divisors (1).

7240907 is an equidigital number, since it uses as much as digits as its factorization.

7240907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 7240907 is about 2690.8933460842. The cubic root of 7240907 is about 193.4628835102.

The spelling of 7240907 in words is "seven million, two hundred forty thousand, nine hundred seven".