7292287 has 2 divisors, whose sum is σ = 7292288. Its totient is φ = 7292286.

The previous prime is 7292279. The next prime is 7292291. The reversal of 7292287 is 7822927.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7292287 - 2³ = 7292279 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7292227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3646143 + 3646144.

It is an arithmetic number, because the mean of its divisors is an integer number (3646144).

Almost surely, 2^7292287 is an apocalyptic number.

7292287 is a deficient number, since it is larger than the sum of its proper divisors (1).

7292287 is an equidigital number, since it uses as much as digits as its factorization.

7292287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 37.

The square root of 7292287 is about 2700.4234853074. The cubic root of 7292287 is about 193.9193964937.

The spelling of 7292287 in words is "seven million, two hundred ninety-two thousand, two hundred eighty-seven".