7424401 has 2 divisors, whose sum is σ = 7424402. Its totient is φ = 7424400.

The previous prime is 7424381. The next prime is 7424413. The reversal of 7424401 is 1044247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7420176 + 4225 = 2724^2 + 65^2 .

It is an emirp because it is prime and its reverse (1044247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7424401 - 2⁵ = 7424369 is a prime.

It is not a weakly prime, because it can be changed into another prime (7424201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3712200 + 3712201.

It is an arithmetic number, because the mean of its divisors is an integer number (3712201).

Almost surely, 2^7424401 is an apocalyptic number.

It is an amenable number.

7424401 is a deficient number, since it is larger than the sum of its proper divisors (1).

7424401 is an equidigital number, since it uses as much as digits as its factorization.

7424401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 7424401 is about 2724.7754035883. The cubic root of 7424401 is about 195.0834707299.

Adding to 7424401 its reverse (1044247), we get a palindrome (8468648).

The spelling of 7424401 in words is "seven million, four hundred twenty-four thousand, four hundred one".