7297649 has 2 divisors, whose sum is σ = 7297650. Its totient is φ = 7297648.

The previous prime is 7297637. The next prime is 7297669. The reversal of 7297649 is 9467927.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4950625 + 2347024 = 2225^2 + 1532^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7297649 is a prime.

It is not a weakly prime, because it can be changed into another prime (7297669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3648824 + 3648825.

It is an arithmetic number, because the mean of its divisors is an integer number (3648825).

Almost surely, 2^7297649 is an apocalyptic number.

It is an amenable number.

7297649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7297649 is an equidigital number, since it uses as much as digits as its factorization.

7297649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 44.

The square root of 7297649 is about 2701.4161101171. The cubic root of 7297649 is about 193.9669143280.

The spelling of 7297649 in words is "seven million, two hundred ninety-seven thousand, six hundred forty-nine".