7426845 has 12 divisors (see below), whose sum is σ = 12873276. Its totient is φ = 3960960.

The previous prime is 7426823. The next prime is 7426849. The reversal of 7426845 is 5486247.

It can be written as a sum of positive squares in 2 ways, for example, as 4782969 + 2643876 = 2187^2 + 1626^2 .

It is not a de Polignac number, because 7426845 - 2⁸ = 7426589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7426849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82476 + ... + 82565.

It is an arithmetic number, because the mean of its divisors is an integer number (1072773).

Almost surely, 2^7426845 is an apocalyptic number.

It is an amenable number.

7426845 is a deficient number, since it is larger than the sum of its proper divisors (5446431).

7426845 is a wasteful number, since it uses less digits than its factorization.

7426845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165052 (or 165049 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 7426845 is about 2725.2238440172. The cubic root of 7426845 is about 195.1048745529.

The spelling of 7426845 in words is "seven million, four hundred twenty-six thousand, eight hundred forty-five".