73697 has 4 divisors (see below), whose sum is σ = 79380. Its totient is φ = 68016.

The previous prime is 73693. The next prime is 73699. The reversal of 73697 is 79637.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79637 = 97 ⋅821.

It can be written as a sum of positive squares in 2 ways, for example, as 14161 + 59536 = 119^2 + 244^2 .

It is not a de Polignac number, because 73697 - 2² = 73693 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 73697.

It is not an unprimeable number, because it can be changed into a prime (73693) 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, 2822 + ... + 2847.

It is an arithmetic number, because the mean of its divisors is an integer number (19845).

2⁷³⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

73697 is a deficient number, since it is larger than the sum of its proper divisors (5683).

73697 is a wasteful number, since it uses less digits than its factorization.

73697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682.

The product of its digits is 7938, while the sum is 32.

The square root of 73697 is about 271.4719138327. The cubic root of 73697 is about 41.9259845316.

The spelling of 73697 in words is "seventy-three thousand, six hundred ninety-seven".