64075838 has 8 divisors (see below), whose sum is σ = 100292688. Its totient is φ = 30644944.

The previous prime is 64075813. The next prime is 64075841. The reversal of 64075838 is 83857046.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64075795 and 64075804.

It is a congruent number.

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, 696431 + ... + 696522.

It is an arithmetic number, because the mean of its divisors is an integer number (12536586).

Almost surely, 2^64075838 is an apocalyptic number.

64075838 is a deficient number, since it is larger than the sum of its proper divisors (36216850).

64075838 is a wasteful number, since it uses less digits than its factorization.

64075838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392978.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 64075838 is about 8004.7384716804. The cubic root of 64075838 is about 400.1579334677.

The spelling of 64075838 in words is "sixty-four million, seventy-five thousand, eight hundred thirty-eight".