7478113 has 8 divisors (see below), whose sum is σ = 8111880. Its totient is φ = 6865920.

The previous prime is 7478111. The next prime is 7478117. The reversal of 7478113 is 3118747.

It can be written as a sum of positive squares in 4 ways, for example, as 1067089 + 6411024 = 1033^2 + 2532^2 .

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 7478113 - 2¹ = 7478111 is a prime.

It is a Duffinian number.

7478113 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7478111) 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, 4668 + ... + 6061.

It is an arithmetic number, because the mean of its divisors is an integer number (1013985).

Almost surely, 2^7478113 is an apocalyptic number.

It is an amenable number.

7478113 is a deficient number, since it is larger than the sum of its proper divisors (633767).

7478113 is a wasteful number, since it uses less digits than its factorization.

7478113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10787.

The product of its digits is 4704, while the sum is 31.

The square root of 7478113 is about 2734.6138667095. The cubic root of 7478113 is about 195.5527860724.

It can be divided in two parts, 74 and 78113, that added together give a palindrome (78187).

The spelling of 7478113 in words is "seven million, four hundred seventy-eight thousand, one hundred thirteen".