64515336 has 32 divisors (see below), whose sum is σ = 169778400. Its totient is φ = 20373120.

The previous prime is 64515313. The next prime is 64515397. The reversal of 64515336 is 63351546.

It is a junction number, because it is equal to n+sod(n) for n = 64515297 and 64515306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70285 + ... + 71196.

It is an arithmetic number, because the mean of its divisors is an integer number (5305575).

Almost surely, 2^64515336 is an apocalyptic number.

It is an amenable number.

64515336 is an abundant number, since it is smaller than the sum of its proper divisors (105263064).

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

64515336 is a wasteful number, since it uses less digits than its factorization.

64515336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141509 (or 141505 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 64515336 is about 8032.1439230133. The cubic root of 64515336 is about 401.0707478567.

The spelling of 64515336 in words is "sixty-four million, five hundred fifteen thousand, three hundred thirty-six".