67286664 has 24 divisors (see below), whose sum is σ = 182234910. Its totient is φ = 22428864.

The previous prime is 67286651. The next prime is 67286671. The reversal of 67286664 is 46668276.

It can be written as a sum of positive squares in only one way, i.e., 54022500 + 13264164 = 7350^2 + 3642^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 467197 + ... + 467340.

Almost surely, 2^67286664 is an apocalyptic number.

It is an amenable number.

67286664 is an abundant number, since it is smaller than the sum of its proper divisors (114948246).

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

67286664 is a wasteful number, since it uses less digits than its factorization.

67286664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934549 (or 934542 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 67286664 is about 8202.8448723598. The cubic root of 67286664 is about 406.7332394222.

The spelling of 67286664 in words is "sixty-seven million, two hundred eighty-six thousand, six hundred sixty-four".