7314421 has 2 divisors, whose sum is σ = 7314422. Its totient is φ = 7314420.

The previous prime is 7314401. The next prime is 7314431. The reversal of 7314421 is 1244137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6180196 + 1134225 = 2486^2 + 1065^2 .

It is a cyclic number.

It is not a de Polignac number, because 7314421 - 2¹⁵ = 7281653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7314392 and 7314401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7314401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3657210 + 3657211.

It is an arithmetic number, because the mean of its divisors is an integer number (3657211).

Almost surely, 2^7314421 is an apocalyptic number.

It is an amenable number.

7314421 is a deficient number, since it is larger than the sum of its proper divisors (1).

7314421 is an equidigital number, since it uses as much as digits as its factorization.

7314421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 22.

The square root of 7314421 is about 2704.5186262993. The cubic root of 7314421 is about 194.1153970336.

Adding to 7314421 its reverse (1244137), we get a palindrome (8558558).

The spelling of 7314421 in words is "seven million, three hundred fourteen thousand, four hundred twenty-one".