64705338 has 16 divisors (see below), whose sum is σ = 143789760. Its totient is φ = 21568428.

The previous prime is 64705331. The next prime is 64705369. The reversal of 64705338 is 83350746.

It is a happy number.

64705338 is a `hidden beast` number, since 647 + 0 + 5 + 3 + 3 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (64705331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599070 + ... + 599177.

It is an arithmetic number, because the mean of its divisors is an integer number (8986860).

Almost surely, 2^64705338 is an apocalyptic number.

64705338 is an abundant number, since it is smaller than the sum of its proper divisors (79084422).

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

64705338 is a wasteful number, since it uses less digits than its factorization.

64705338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198258 (or 1198252 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 64705338 is about 8043.9628293522. The cubic root of 64705338 is about 401.4640887388.

The spelling of 64705338 in words is "sixty-four million, seven hundred five thousand, three hundred thirty-eight".