7383421 has 2 divisors, whose sum is σ = 7383422. Its totient is φ = 7383420.

The previous prime is 7383413. The next prime is 7383433. The reversal of 7383421 is 1243837.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7080921 + 302500 = 2661^2 + 550^2 .

It is a cyclic number.

It is not a de Polignac number, because 7383421 - 2³ = 7383413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7383421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7383221) 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, 3691710 + 3691711.

It is an arithmetic number, because the mean of its divisors is an integer number (3691711).

Almost surely, 2^7383421 is an apocalyptic number.

It is an amenable number.

7383421 is a deficient number, since it is larger than the sum of its proper divisors (1).

7383421 is an equidigital number, since it uses as much as digits as its factorization.

7383421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 7383421 is about 2717.2451122414. The cubic root of 7383421 is about 194.7238783150.

The spelling of 7383421 in words is "seven million, three hundred eighty-three thousand, four hundred twenty-one".