64967 has 4 divisors (see below), whose sum is σ = 74256. Its totient is φ = 55680.

The previous prime is 64951. The next prime is 64969. The reversal of 64967 is 76946.

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 64967 - 2⁴ = 64951 is a prime.

It is a super-2 number, since 2×64967² = 8441422178, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64969) 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, 4634 + ... + 4647.

It is an arithmetic number, because the mean of its divisors is an integer number (18564).

2⁶⁴⁹⁶⁷ is an apocalyptic number.

64967 is a deficient number, since it is larger than the sum of its proper divisors (9289).

64967 is an equidigital number, since it uses as much as digits as its factorization.

64967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9288.

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

The square root of 64967 is about 254.8862491387. The cubic root of 64967 is about 40.2004521289.

The spelling of 64967 in words is "sixty-four thousand, nine hundred sixty-seven".