7341421 has 4 divisors (see below), whose sum is σ = 7346844. Its totient is φ = 7336000.

The previous prime is 7341413. The next prime is 7341427. The reversal of 7341421 is 1241437.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4972900 + 2368521 = 2230^2 + 1539^2 .

It is a cyclic number.

It is not a de Polignac number, because 7341421 - 2³ = 7341413 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7341392 and 7341401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7341427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1221 + ... + 4021.

It is an arithmetic number, because the mean of its divisors is an integer number (1836711).

Almost surely, 2^7341421 is an apocalyptic number.

It is an amenable number.

7341421 is a deficient number, since it is larger than the sum of its proper divisors (5423).

7341421 is a wasteful number, since it uses less digits than its factorization.

7341421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5422.

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

The square root of 7341421 is about 2709.5056744727. The cubic root of 7341421 is about 194.3539522568.

Adding to 7341421 its reverse (1241437), we get a palindrome (8582858).

The spelling of 7341421 in words is "seven million, three hundred forty-one thousand, four hundred twenty-one".