7412421 has 8 divisors (see below), whose sum is σ = 10069920. Its totient is φ = 4848272.

The previous prime is 7412399. The next prime is 7412443. The reversal of 7412421 is 1242147.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7412399) and next prime (7412443).

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 7412421 - 2⁵ = 7412389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7412621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23151 + ... + 23468.

It is an arithmetic number, because the mean of its divisors is an integer number (1258740).

Almost surely, 2^7412421 is an apocalyptic number.

It is an amenable number.

7412421 is a deficient number, since it is larger than the sum of its proper divisors (2657499).

7412421 is a wasteful number, since it uses less digits than its factorization.

7412421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46675.

The product of its digits is 448, while the sum is 21.

The square root of 7412421 is about 2722.5761697334. The cubic root of 7412421 is about 194.9784854633.

Adding to 7412421 its reverse (1242147), we get a palindrome (8654568).

The spelling of 7412421 in words is "seven million, four hundred twelve thousand, four hundred twenty-one".