67564336 has 30 divisors (see below), whose sum is σ = 152280060. Its totient is φ = 28955808.

The previous prime is 67564327. The next prime is 67564337. The reversal of 67564336 is 63346576.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (67564337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42306 + ... + 43873.

It is an arithmetic number, because the mean of its divisors is an integer number (5076002).

Almost surely, 2^67564336 is an apocalyptic number.

It is an amenable number.

67564336 is an abundant number, since it is smaller than the sum of its proper divisors (84715724).

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

67564336 is a wasteful number, since it uses less digits than its factorization.

67564336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86201 (or 86188 counting only the distinct ones).

The product of its digits is 272160, while the sum is 40.

The square root of 67564336 is about 8219.7527943363. The cubic root of 67564336 is about 407.2919605027.

The spelling of 67564336 in words is "sixty-seven million, five hundred sixty-four thousand, three hundred thirty-six".