75116005 has 4 divisors (see below), whose sum is σ = 90139212. Its totient is φ = 60092800.

The previous prime is 75115981. The next prime is 75116009. The reversal of 75116005 is 50061157.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50061157 = 47 ⋅1065131.

It can be written as a sum of positive squares in 2 ways, for example, as 8105409 + 67010596 = 2847^2 + 8186^2 .

It is not a de Polignac number, because 75116005 - 2¹⁷ = 74984933 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 (75116009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7511596 + ... + 7511605.

It is an arithmetic number, because the mean of its divisors is an integer number (22534803).

Almost surely, 2^75116005 is an apocalyptic number.

It is an amenable number.

75116005 is a deficient number, since it is larger than the sum of its proper divisors (15023207).

75116005 is a wasteful number, since it uses less digits than its factorization.

75116005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15023206.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 75116005 is about 8666.9490018114. The cubic root of 75116005 is about 421.9336482159.

The spelling of 75116005 in words is "seventy-five million, one hundred sixteen thousand, five".