64506708 has 72 divisors (see below), whose sum is σ = 190718528. Its totient is φ = 17998848.

The previous prime is 64506679. The next prime is 64506713. The reversal of 64506708 is 80760546.

It is a happy number.

64506708 is a `hidden beast` number, since 645 + 0 + 6 + 7 + 0 + 8 = 666.

64506708 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64506708² = 8322230753994528, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7860 + ... + 13812.

Almost surely, 2^64506708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64506708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95359264).

64506708 is an abundant number, since it is smaller than the sum of its proper divisors (126211820).

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

64506708 is a wasteful number, since it uses less digits than its factorization.

64506708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6013 (or 6008 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 64506708 is about 8031.6068130854. The cubic root of 64506708 is about 401.0528679081.

The spelling of 64506708 in words is "sixty-four million, five hundred six thousand, seven hundred eight".