64865834 has 8 divisors (see below), whose sum is σ = 106144128. Its totient is φ = 29484460.

The previous prime is 64865797. The next prime is 64865869. The reversal of 64865834 is 43856846.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1474202 + ... + 1474245.

It is an arithmetic number, because the mean of its divisors is an integer number (13268016).

Almost surely, 2^64865834 is an apocalyptic number.

64865834 is a deficient number, since it is larger than the sum of its proper divisors (41278294).

64865834 is a wasteful number, since it uses less digits than its factorization.

64865834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948460.

The product of its digits is 552960, while the sum is 44.

The square root of 64865834 is about 8053.9328281281. The cubic root of 64865834 is about 401.7957470010.

The spelling of 64865834 in words is "sixty-four million, eight hundred sixty-five thousand, eight hundred thirty-four".