64706328 has 48 divisors (see below), whose sum is σ = 175695000. Its totient is φ = 21513600.

The previous prime is 64706311. The next prime is 64706329. The reversal of 64706328 is 82360746.

64706328 is a `hidden beast` number, since 647 + 0 + 6 + 3 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 64706292 and 64706301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64706329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35028 + ... + 36828.

Almost surely, 2^64706328 is an apocalyptic number.

It is an amenable number.

64706328 is an abundant number, since it is smaller than the sum of its proper divisors (110988672).

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

64706328 is a wasteful number, since it uses less digits than its factorization.

64706328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312 (or 2305 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 64706328 is about 8044.0243659502. The cubic root of 64706328 is about 401.4661362125.

The spelling of 64706328 in words is "sixty-four million, seven hundred six thousand, three hundred twenty-eight".