64674336 has 48 divisors (see below), whose sum is σ = 170196768. Its totient is φ = 21504000.

The previous prime is 64674317. The next prime is 64674349. The reversal of 64674336 is 63347646.

64674336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 64674294 and 64674303.

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 7 ways as a sum of consecutive naturals, for example, 61011 + ... + 62061.

It is an arithmetic number, because the mean of its divisors is an integer number (3545766).

Almost surely, 2^64674336 is an apocalyptic number.

It is an amenable number.

64674336 is an abundant number, since it is smaller than the sum of its proper divisors (105522432).

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

64674336 is a wasteful number, since it uses less digits than its factorization.

64674336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705 (or 1697 counting only the distinct ones).

The product of its digits is 217728, while the sum is 39.

The square root of 64674336 is about 8042.0355632141. The cubic root of 64674336 is about 401.3999612219.

The spelling of 64674336 in words is "sixty-four million, six hundred seventy-four thousand, three hundred thirty-six".