7481113 has 4 divisors (see below), whose sum is σ = 7583668. Its totient is φ = 7378560.

The previous prime is 7481107. The next prime is 7481143. The reversal of 7481113 is 3111847.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6416089 + 1065024 = 2533^2 + 1032^2 .

It is a cyclic number.

It is not a de Polignac number, because 7481113 - 2⁹ = 7480601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7481143) 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 3 ways as a sum of consecutive naturals, for example, 51168 + ... + 51313.

It is an arithmetic number, because the mean of its divisors is an integer number (1895917).

Almost surely, 2^7481113 is an apocalyptic number.

7481113 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

7481113 is a deficient number, since it is larger than the sum of its proper divisors (102555).

7481113 is a wasteful number, since it uses less digits than its factorization.

7481113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102554.

The product of its digits is 672, while the sum is 25.

The square root of 7481113 is about 2735.1623352189. The cubic root of 7481113 is about 195.5789325938.

The spelling of 7481113 in words is "seven million, four hundred eighty-one thousand, one hundred thirteen".