67289868 has 36 divisors (see below), whose sum is σ = 179047960. Its totient is φ = 21249216.

The previous prime is 67289861. The next prime is 67289869. The reversal of 67289868 is 86898276.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (67289861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48505 + ... + 49872.

Almost surely, 2^67289868 is an apocalyptic number.

It is an amenable number.

67289868 is an abundant number, since it is smaller than the sum of its proper divisors (111758092).

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

67289868 is a wasteful number, since it uses less digits than its factorization.

67289868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98406 (or 98401 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 67289868 is about 8203.0401681328. The cubic root of 67289868 is about 406.7396951473.

The spelling of 67289868 in words is "sixty-seven million, two hundred eighty-nine thousand, eight hundred sixty-eight".