75116685 has 16 divisors (see below), whose sum is σ = 137356416. Its totient is φ = 34339008.

The previous prime is 75116677. The next prime is 75116707. The reversal of 75116685 is 58661157.

It is not a de Polignac number, because 75116685 - 2³ = 75116677 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357594 + ... + 357803.

It is an arithmetic number, because the mean of its divisors is an integer number (8584776).

Almost surely, 2^75116685 is an apocalyptic number.

It is an amenable number.

75116685 is a deficient number, since it is larger than the sum of its proper divisors (62239731).

75116685 is a wasteful number, since it uses less digits than its factorization.

75116685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715412.

The product of its digits is 50400, while the sum is 39.

The square root of 75116685 is about 8666.9882312139. The cubic root of 75116685 is about 421.9349214200.

It can be divided in two parts, 7511 and 6685, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 75116685 in words is "seventy-five million, one hundred sixteen thousand, six hundred eighty-five".