67065684 has 48 divisors (see below), whose sum is σ = 181308288. Its totient is φ = 18897408.

The previous prime is 67065667. The next prime is 67065701. The reversal of 67065684 is 48656076.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (67065667) and next prime (67065701).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664 + ... + 11600.

It is an arithmetic number, because the mean of its divisors is an integer number (3777256).

Almost surely, 2^67065684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67065684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90654144).

67065684 is an abundant number, since it is smaller than the sum of its proper divisors (114242604).

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

67065684 is a wasteful number, since it uses less digits than its factorization.

67065684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11024 (or 11022 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 67065684 is about 8189.3640778756. The cubic root of 67065684 is about 406.2874924293.

The spelling of 67065684 in words is "sixty-seven million, sixty-five thousand, six hundred eighty-four".