75894013 has 6 divisors (see below), whose sum is σ = 82181274. Its totient is φ = 70055856.

The previous prime is 75893989. The next prime is 75894019. The reversal of 75894013 is 31049857.

It can be written as a sum of positive squares in 3 ways, for example, as 1968409 + 73925604 = 1403^2 + 8598^2 .

It is not a de Polignac number, because 75894013 - 2⁵ = 75893981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75894019) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 224370 + ... + 224707.

It is an arithmetic number, because the mean of its divisors is an integer number (13696879).

Almost surely, 2^75894013 is an apocalyptic number.

It is an amenable number.

75894013 is a deficient number, since it is larger than the sum of its proper divisors (6287261).

75894013 is a wasteful number, since it uses less digits than its factorization.

75894013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449103 (or 449090 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 75894013 is about 8711.7169949442. The cubic root of 75894013 is about 423.3853623337.

The spelling of 75894013 in words is "seventy-five million, eight hundred ninety-four thousand, thirteen".