64211694 has 8 divisors (see below), whose sum is σ = 128423400. Its totient is φ = 21403896.

The previous prime is 64211689. The next prime is 64211747. The reversal of 64211694 is 49611246.

It is a sphenic number, since it is the product of 3 distinct primes.

64211694 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5350969 + ... + 5350980.

It is an arithmetic number, because the mean of its divisors is an integer number (16052925).

Almost surely, 2^64211694 is an apocalyptic number.

64211694 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64211694 is a wasteful number, since it uses less digits than its factorization.

64211694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10701954.

The product of its digits is 10368, while the sum is 33.

The square root of 64211694 is about 8013.2199520542. The cubic root of 64211694 is about 400.4405437915.

The spelling of 64211694 in words is "sixty-four million, two hundred eleven thousand, six hundred ninety-four".