64697 has 4 divisors (see below), whose sum is σ = 66816. Its totient is φ = 62580.

The previous prime is 64693. The next prime is 64709. The reversal of 64697 is 79646.

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 64697 - 2² = 64693 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 64697.

It is not an unprimeable number, because it can be changed into a prime (64693) 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 3 ways as a sum of consecutive naturals, for example, 1013 + ... + 1074.

It is an arithmetic number, because the mean of its divisors is an integer number (16704).

2⁶⁴⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

64697 is a deficient number, since it is larger than the sum of its proper divisors (2119).

64697 is a wasteful number, since it uses less digits than its factorization.

64697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118.

The product of its digits is 9072, while the sum is 32.

The square root of 64697 is about 254.3560496627. The cubic root of 64697 is about 40.1446843632.

It can be divided in two parts, 6 and 4697, that multiplied together give a palindrome (28182).

The spelling of 64697 in words is "sixty-four thousand, six hundred ninety-seven".