7424381 has 2 divisors, whose sum is σ = 7424382. Its totient is φ = 7424380.

The previous prime is 7424369. The next prime is 7424401. The reversal of 7424381 is 1834247.

7424381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4305625 + 3118756 = 2075^2 + 1766^2 .

It is a cyclic number.

It is not a de Polignac number, because 7424381 - 2¹⁸ = 7162237 is a prime.

It is a super-2 number, since 2×7424381² = 110242866466322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7424581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3712190 + 3712191.

It is an arithmetic number, because the mean of its divisors is an integer number (3712191).

Almost surely, 2^7424381 is an apocalyptic number.

It is an amenable number.

7424381 is a deficient number, since it is larger than the sum of its proper divisors (1).

7424381 is an equidigital number, since it uses as much as digits as its factorization.

7424381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 29.

The square root of 7424381 is about 2724.7717335586. The cubic root of 7424381 is about 195.0832955565.

The spelling of 7424381 in words is "seven million, four hundred twenty-four thousand, three hundred eighty-one".