64710213 has 4 divisors (see below), whose sum is σ = 86280288. Its totient is φ = 43140140.

The previous prime is 64710179. The next prime is 64710221. The reversal of 64710213 is 31201746.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64710213 - 2¹⁴ = 64693829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64710263) 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, 10785033 + ... + 10785038.

It is an arithmetic number, because the mean of its divisors is an integer number (21570072).

Almost surely, 2^64710213 is an apocalyptic number.

It is an amenable number.

64710213 is a deficient number, since it is larger than the sum of its proper divisors (21570075).

64710213 is a wasteful number, since it uses less digits than its factorization.

64710213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21570074.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 64710213 is about 8044.2658459303. The cubic root of 64710213 is about 401.4741707936.

Adding to 64710213 its reverse (31201746), we get a palindrome (95911959).

The spelling of 64710213 in words is "sixty-four million, seven hundred ten thousand, two hundred thirteen".