7421113 has 16 divisors (see below), whose sum is σ = 8781696. Its totient is φ = 6140160.

The previous prime is 7421101. The next prime is 7421131. The reversal of 7421113 is 3111247.

7421113 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 7421113 - 2⁹ = 7420601 is a prime.

7421113 is a modest number, since divided by 1113 gives 742 as remainder.

It is not an unprimeable number, because it can be changed into a prime (7421143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30673 + ... + 30913.

It is an arithmetic number, because the mean of its divisors is an integer number (548856).

Almost surely, 2^7421113 is an apocalyptic number.

It is an amenable number.

7421113 is a deficient number, since it is larger than the sum of its proper divisors (1360583).

7421113 is a wasteful number, since it uses less digits than its factorization.

7421113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384.

The product of its digits is 168, while the sum is 19.

The square root of 7421113 is about 2724.1719842917. The cubic root of 7421113 is about 195.0546679948.

The spelling of 7421113 in words is "seven million, four hundred twenty-one thousand, one hundred thirteen".