64213382 has 4 divisors (see below), whose sum is σ = 96320076. Its totient is φ = 32106690.

The previous prime is 64213381. The next prime is 64213427. The reversal of 64213382 is 28331246.

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 (64213381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16053344 + ... + 16053347.

It is an arithmetic number, because the mean of its divisors is an integer number (24080019).

Almost surely, 2^64213382 is an apocalyptic number.

64213382 is a deficient number, since it is larger than the sum of its proper divisors (32106694).

64213382 is a wasteful number, since it uses less digits than its factorization.

64213382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32106693.

The product of its digits is 6912, while the sum is 29.

The square root of 64213382 is about 8013.3252773115. The cubic root of 64213382 is about 400.4440526939. Note that the first 3 decimals are identical.

The spelling of 64213382 in words is "sixty-four million, two hundred thirteen thousand, three hundred eighty-two".