7542506 has 16 divisors (see below), whose sum is σ = 12076800. Its totient is φ = 3522528.

The previous prime is 7542481. The next prime is 7542533. The reversal of 7542506 is 6052457.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 1415 + ... + 4133.

It is an arithmetic number, because the mean of its divisors is an integer number (754800).

Almost surely, 2^7542506 is an apocalyptic number.

7542506 is a deficient number, since it is larger than the sum of its proper divisors (4534294).

7542506 is a wasteful number, since it uses less digits than its factorization.

7542506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 7542506 is about 2746.3623213262. The cubic root of 7542506 is about 196.1124753572.

The spelling of 7542506 in words is "seven million, five hundred forty-two thousand, five hundred six".