7540126 has 8 divisors (see below), whose sum is σ = 12338424. Its totient is φ = 3427320.

The previous prime is 7540111. The next prime is 7540133. The reversal of 7540126 is 6210457.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7540126.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 171345 + ... + 171388.

It is an arithmetic number, because the mean of its divisors is an integer number (1542303).

Almost surely, 2^7540126 is an apocalyptic number.

7540126 is a deficient number, since it is larger than the sum of its proper divisors (4798298).

7540126 is a wasteful number, since it uses less digits than its factorization.

7540126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342746.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 7540126 is about 2745.9289867001. The cubic root of 7540126 is about 196.0918457506.

The spelling of 7540126 in words is "seven million, five hundred forty thousand, one hundred twenty-six".