75683993 has 8 divisors (see below), whose sum is σ = 94359360. Its totient is φ = 58974480.

The previous prime is 75683987. The next prime is 75684001. The reversal of 75683993 is 39938657.

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 75683993 - 2⁶ = 75683929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75683953) 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 7 ways as a sum of consecutive naturals, for example, 491378 + ... + 491531.

It is an arithmetic number, because the mean of its divisors is an integer number (11794920).

Almost surely, 2^75683993 is an apocalyptic number.

It is an amenable number.

75683993 is a deficient number, since it is larger than the sum of its proper divisors (18675367).

75683993 is a wasteful number, since it uses less digits than its factorization.

75683993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982927.

The product of its digits is 1224720, while the sum is 50.

The square root of 75683993 is about 8699.6547632650. The cubic root of 75683993 is about 422.9944595548.

The spelling of 75683993 in words is "seventy-five million, six hundred eighty-three thousand, nine hundred ninety-three".