64791 has 12 divisors (see below), whose sum is σ = 97968. Its totient is φ = 41184.

The previous prime is 64783. The next prime is 64793. The reversal of 64791 is 19746.

It is not a de Polignac number, because 64791 - 2³ = 64783 is a prime.

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 64791.

It is not an unprimeable number, because it can be changed into a prime (64793) 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 11 ways as a sum of consecutive naturals, for example, 51 + ... + 363.

It is an arithmetic number, because the mean of its divisors is an integer number (8164).

2⁶⁴⁷⁹¹ is an apocalyptic number.

64791 is a deficient number, since it is larger than the sum of its proper divisors (33177).

64791 is a wasteful number, since it uses less digits than its factorization.

64791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 339 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 64791 is about 254.5407629438. The cubic root of 64791 is about 40.1641173829.

The spelling of 64791 in words is "sixty-four thousand, seven hundred ninety-one".