75699983 has 4 divisors (see below), whose sum is σ = 75824088. Its totient is φ = 75575880.

The previous prime is 75699979. The next prime is 75700013. The reversal of 75699983 is 38999657.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75699983 - 2² = 75699979 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 (75699913) 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, 61133 + ... + 62358.

It is an arithmetic number, because the mean of its divisors is an integer number (18956022).

Almost surely, 2^75699983 is an apocalyptic number.

75699983 is a deficient number, since it is larger than the sum of its proper divisors (124105).

75699983 is a wasteful number, since it uses less digits than its factorization.

75699983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124104.

The product of its digits is 3674160, while the sum is 56.

The square root of 75699983 is about 8700.5737167155. The cubic root of 75699983 is about 423.0242465893.

The spelling of 75699983 in words is "seventy-five million, six hundred ninety-nine thousand, nine hundred eighty-three".