64000334 has 4 divisors (see below), whose sum is σ = 96000504. Its totient is φ = 32000166.

The previous prime is 64000319. The next prime is 64000351. The reversal of 64000334 is 43300046.

It is a happy number.

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

It is a super-2 number, since 2×64000334² = 8192085504223112, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16000082 + ... + 16000085.

It is an arithmetic number, because the mean of its divisors is an integer number (24000126).

Almost surely, 2^64000334 is an apocalyptic number.

64000334 is a deficient number, since it is larger than the sum of its proper divisors (32000170).

64000334 is a wasteful number, since it uses less digits than its factorization.

64000334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32000169.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 64000334 is about 8000.0208749728. The cubic root of 64000334 is about 400.0006958321. Note that the first 3 decimals are identical.

The spelling of 64000334 in words is "sixty-four million, three hundred thirty-four", and thus it is an aban number.