64706 has 4 divisors (see below), whose sum is σ = 97062. Its totient is φ = 32352.

The previous prime is 64693. The next prime is 64709. The reversal of 64706 is 60746.

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

It can be written as a sum of positive squares in only one way, i.e., 43681 + 21025 = 209^2 + 145^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (64709) by changing a digit.

64706 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16175 + ... + 16178.

2⁶⁴⁷⁰⁶ is an apocalyptic number.

64706 is a deficient number, since it is larger than the sum of its proper divisors (32356).

64706 is a wasteful number, since it uses less digits than its factorization.

64706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32355.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 64706 is about 254.3737407831. The cubic root of 64706 is about 40.1465457860.

The spelling of 64706 in words is "sixty-four thousand, seven hundred six".