64718 has 4 divisors (see below), whose sum is σ = 97080. Its totient is φ = 32358.

The previous prime is 64717. The next prime is 64747. The reversal of 64718 is 81746.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64717) 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 as a sum of consecutive naturals, namely, 16178 + ... + 16181.

It is an arithmetic number, because the mean of its divisors is an integer number (24270).

2⁶⁴⁷¹⁸ is an apocalyptic number.

64718 is a deficient number, since it is larger than the sum of its proper divisors (32362).

64718 is a wasteful number, since it uses less digits than its factorization.

64718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32361.

The product of its digits is 1344, while the sum is 26.

The square root of 64718 is about 254.3973270300. The cubic root of 64718 is about 40.1490274145.

The spelling of 64718 in words is "sixty-four thousand, seven hundred eighteen".