67564364 has 24 divisors (see below), whose sum is σ = 135303168. Its totient is φ = 28918800.

The previous prime is 67564349. The next prime is 67564369. The reversal of 67564364 is 46346576.

It is not an unprimeable number, because it can be changed into a prime (67564369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39797 + ... + 41459.

It is an arithmetic number, because the mean of its divisors is an integer number (5637632).

Almost surely, 2^67564364 is an apocalyptic number.

It is an amenable number.

67564364 is an abundant number, since it is smaller than the sum of its proper divisors (67738804).

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

67564364 is a wasteful number, since it uses less digits than its factorization.

67564364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125 (or 3123 counting only the distinct ones).

The product of its digits is 362880, while the sum is 41.

The square root of 67564364 is about 8219.7544975504. The cubic root of 67564364 is about 407.2920167660.

The spelling of 67564364 in words is "sixty-seven million, five hundred sixty-four thousand, three hundred sixty-four".