64799 has 4 divisors (see below), whose sum is σ = 74064. Its totient is φ = 55536.

The previous prime is 64793. The next prime is 64811. The reversal of 64799 is 99746.

It is a happy number.

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 64799 - 2⁴ = 64783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 64799.

It is not an unprimeable number, because it can be changed into a prime (64793) 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, 4622 + ... + 4635.

It is an arithmetic number, because the mean of its divisors is an integer number (18516).

2⁶⁴⁷⁹⁹ is an apocalyptic number.

64799 is a deficient number, since it is larger than the sum of its proper divisors (9265).

64799 is an equidigital number, since it uses as much as digits as its factorization.

64799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9264.

The product of its digits is 13608, while the sum is 35.

The square root of 64799 is about 254.5564770341. The cubic root of 64799 is about 40.1657703888.

It can be divided in two parts, 6479 and 9, that multiplied together give a triangular number (58311 = T₃₄₁).

The spelling of 64799 in words is "sixty-four thousand, seven hundred ninety-nine".