7426849 has 2 divisors, whose sum is σ = 7426850. Its totient is φ = 7426848.

The previous prime is 7426823. The next prime is 7426873. The reversal of 7426849 is 9486247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4161600 + 3265249 = 2040^2 + 1807^2 .

It is a cyclic number.

It is not a de Polignac number, because 7426849 - 2⁵ = 7426817 is a prime.

It is not a weakly prime, because it can be changed into another prime (7426649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3713424 + 3713425.

It is an arithmetic number, because the mean of its divisors is an integer number (3713425).

Almost surely, 2^7426849 is an apocalyptic number.

It is an amenable number.

7426849 is a deficient number, since it is larger than the sum of its proper divisors (1).

7426849 is an equidigital number, since it uses as much as digits as its factorization.

7426849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 7426849 is about 2725.2245779018. The cubic root of 7426849 is about 195.1049095799.

The spelling of 7426849 in words is "seven million, four hundred twenty-six thousand, eight hundred forty-nine".