7421471 has 2 divisors, whose sum is σ = 7421472. Its totient is φ = 7421470.

The previous prime is 7421437. The next prime is 7421489. The reversal of 7421471 is 1741247.

7421471 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7421471 - 2¹⁰ = 7420447 is a prime.

It is a super-3 number, since 3×7421471³ (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 7421471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7421371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710735 + 3710736.

It is an arithmetic number, because the mean of its divisors is an integer number (3710736).

Almost surely, 2^7421471 is an apocalyptic number.

7421471 is a deficient number, since it is larger than the sum of its proper divisors (1).

7421471 is an equidigital number, since it uses as much as digits as its factorization.

7421471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1568, while the sum is 26.

The square root of 7421471 is about 2724.2376915387. The cubic root of 7421471 is about 195.0578044717.

The spelling of 7421471 in words is "seven million, four hundred twenty-one thousand, four hundred seventy-one".