75697 has 4 divisors (see below), whose sum is σ = 77040. Its totient is φ = 74356.

The previous prime is 75689. The next prime is 75703. The reversal of 75697 is 79657.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75697 - 2³ = 75689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75617) 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, 583 + ... + 700.

It is an arithmetic number, because the mean of its divisors is an integer number (19260).

2⁷⁵⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

75697 is a deficient number, since it is larger than the sum of its proper divisors (1343).

75697 is a wasteful number, since it uses less digits than its factorization.

75697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342.

The product of its digits is 13230, while the sum is 34.

The square root of 75697 is about 275.1308779472. The cubic root of 75697 is about 42.3018690014.

The spelling of 75697 in words is "seventy-five thousand, six hundred ninety-seven".