75116999 has 8 divisors (see below), whose sum is σ = 82101888. Its totient is φ = 68417280.

The previous prime is 75116981. The next prime is 75117017. The reversal of 75116999 is 99961157.

It is an interprime number because it is at equal distance from previous prime (75116981) and next prime (75117017).

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

It is a cyclic number.

It is not a de Polignac number, because 75116999 - 2¹² = 75112903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75116929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70742 + ... + 71795.

It is an arithmetic number, because the mean of its divisors is an integer number (10262736).

Almost surely, 2^75116999 is an apocalyptic number.

75116999 is a deficient number, since it is larger than the sum of its proper divisors (6984889).

75116999 is a wasteful number, since it uses less digits than its factorization.

75116999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142585.

The product of its digits is 153090, while the sum is 47.

The square root of 75116999 is about 8667.0063459074. The cubic root of 75116999 is about 421.9355093381.

The spelling of 75116999 in words is "seventy-five million, one hundred sixteen thousand, nine hundred ninety-nine".