64364508 has 72 divisors (see below), whose sum is σ = 177432528. Its totient is φ = 19554048.

The previous prime is 64364491. The next prime is 64364527. The reversal of 64364508 is 80546346.

64364508 is a `hidden beast` number, since 6 + 4 + 3 + 645 + 0 + 8 = 666.

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 (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38016 + ... + 39672.

Almost surely, 2^64364508 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 64364508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88716264).

64364508 is an abundant number, since it is smaller than the sum of its proper divisors (113068020).

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

64364508 is a wasteful number, since it uses less digits than its factorization.

64364508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763 (or 1758 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 64364508 is about 8022.7494040385. The cubic root of 64364508 is about 400.7579545219.

The spelling of 64364508 in words is "sixty-four million, three hundred sixty-four thousand, five hundred eight".