7343211421 has 16 divisors (see below), whose sum is σ = 9569435904. Its totient is φ = 5468246784.

The previous prime is 7343211383. The next prime is 7343211433. The reversal of 7343211421 is 1241123437.

7343211421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7343211421 - 2⁹ = 7343210909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7343211421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7343211121) 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 in 15 ways as a sum of consecutive naturals, for example, 2371825 + ... + 2374918.

It is an arithmetic number, because the mean of its divisors is an integer number (598089744).

Almost surely, 2^7343211421 is an apocalyptic number.

It is an amenable number.

7343211421 is a deficient number, since it is larger than the sum of its proper divisors (2226224483).

7343211421 is a wasteful number, since it uses less digits than its factorization.

7343211421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746780.

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

The square root of 7343211421 is about 85692.5400545462. The cubic root of 7343211421 is about 1943.6975061129.

Adding to 7343211421 its reverse (1241123437), we get a palindrome (8584334858).

The spelling of 7343211421 in words is "seven billion, three hundred forty-three million, two hundred eleven thousand, four hundred twenty-one".