7335421 has 2 divisors, whose sum is σ = 7335422. Its totient is φ = 7335420.

The previous prime is 7335409. The next prime is 7335439. The reversal of 7335421 is 1245337.

7335421 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., 6687396 + 648025 = 2586^2 + 805^2 .

It is a cyclic number.

It is not a de Polignac number, because 7335421 - 2⁵ = 7335389 is a prime.

7335421 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7335481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3667710 + 3667711.

It is an arithmetic number, because the mean of its divisors is an integer number (3667711).

Almost surely, 2^7335421 is an apocalyptic number.

It is an amenable number.

7335421 is a deficient number, since it is larger than the sum of its proper divisors (1).

7335421 is an equidigital number, since it uses as much as digits as its factorization.

7335421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 25.

The square root of 7335421 is about 2708.3982351198. The cubic root of 7335421 is about 194.3009905963.

The spelling of 7335421 in words is "seven million, three hundred thirty-five thousand, four hundred twenty-one".