64706338 has 8 divisors (see below), whose sum is σ = 97562988. Its totient is φ = 32185344.

The previous prime is 64706329. The next prime is 64706339. The reversal of 64706338 is 83360746.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48762289 + 15944049 = 6983^2 + 3993^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 64706297 and 64706306.

It is not an unprimeable number, because it can be changed into a prime (64706339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83431 + ... + 84202.

Almost surely, 2^64706338 is an apocalyptic number.

64706338 is a deficient number, since it is larger than the sum of its proper divisors (32856650).

64706338 is a wasteful number, since it uses less digits than its factorization.

64706338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167828.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 64706338 is about 8044.0249875296. The cubic root of 64706338 is about 401.4661568939.

The spelling of 64706338 in words is "sixty-four million, seven hundred six thousand, three hundred thirty-eight".