7348021 has 2 divisors, whose sum is σ = 7348022. Its totient is φ = 7348020.

The previous prime is 7348013. The next prime is 7348043. The reversal of 7348021 is 1208437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6838225 + 509796 = 2615^2 + 714^2 .

It is a cyclic number.

It is not a de Polignac number, because 7348021 - 2³ = 7348013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7348001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3674010 + 3674011.

It is an arithmetic number, because the mean of its divisors is an integer number (3674011).

Almost surely, 2^7348021 is an apocalyptic number.

It is an amenable number.

7348021 is a deficient number, since it is larger than the sum of its proper divisors (1).

7348021 is an equidigital number, since it uses as much as digits as its factorization.

7348021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 7348021 is about 2710.7233352004. The cubic root of 7348021 is about 194.4121767650.

The spelling of 7348021 in words is "seven million, three hundred forty-eight thousand, twenty-one".