75006013 has 4 divisors (see below), whose sum is σ = 78267168. Its totient is φ = 71744860.

The previous prime is 75006011. The next prime is 75006017. The reversal of 75006013 is 31060057.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75006013 - 2¹ = 75006011 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75006011) 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, 1630543 + ... + 1630588.

It is an arithmetic number, because the mean of its divisors is an integer number (19566792).

Almost surely, 2^75006013 is an apocalyptic number.

It is an amenable number.

75006013 is a deficient number, since it is larger than the sum of its proper divisors (3261155).

75006013 is a wasteful number, since it uses less digits than its factorization.

75006013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3261154.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 75006013 is about 8660.6011916033. The cubic root of 75006013 is about 421.7276024844.

The spelling of 75006013 in words is "seventy-five million, six thousand, thirteen".