7421441 has 8 divisors (see below), whose sum is σ = 7620480. Its totient is φ = 7224208.

The previous prime is 7421437. The next prime is 7421471. The reversal of 7421441 is 1441247.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7421441 - 2² = 7421437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7421471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12350 + ... + 12936.

It is an arithmetic number, because the mean of its divisors is an integer number (952560).

Almost surely, 2^7421441 is an apocalyptic number.

It is an amenable number.

7421441 is a deficient number, since it is larger than the sum of its proper divisors (199039).

7421441 is a wasteful number, since it uses less digits than its factorization.

7421441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903.

The product of its digits is 896, while the sum is 23.

The square root of 7421441 is about 2724.2321854056. The cubic root of 7421441 is about 195.0575416423.

Adding to 7421441 its reverse (1441247), we get a palindrome (8862688).

The spelling of 7421441 in words is "seven million, four hundred twenty-one thousand, four hundred forty-one".