7540113 has 32 divisors (see below), whose sum is σ = 12220416. Its totient is φ = 4042368.

The previous prime is 7540111. The next prime is 7540133. The reversal of 7540113 is 3110457.

7540113 = T₂₂₂ + T₂₂₃ + ... + T₃₈₂.

It is not a de Polignac number, because 7540113 - 2¹ = 7540111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7540113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7540111) 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 31 ways as a sum of consecutive naturals, for example, 32245 + ... + 32477.

It is an arithmetic number, because the mean of its divisors is an integer number (381888).

Almost surely, 2^7540113 is an apocalyptic number.

It is an amenable number.

7540113 is a deficient number, since it is larger than the sum of its proper divisors (4680303).

7540113 is a wasteful number, since it uses less digits than its factorization.

7540113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 7540113 is about 2745.9266195585. The cubic root of 7540113 is about 196.0917330560.

The spelling of 7540113 in words is "seven million, five hundred forty thousand, one hundred thirteen".