67288980 has 96 divisors (see below), whose sum is σ = 210405888. Its totient is φ = 15926400.

The previous prime is 67288967. The next prime is 67288987. The reversal of 67288980 is 8988276.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67288987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27195 + ... + 29565.

It is an arithmetic number, because the mean of its divisors is an integer number (2191728).

Almost surely, 2^67288980 is an apocalyptic number.

67288980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67288980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105202944).

67288980 is an abundant number, since it is smaller than the sum of its proper divisors (143116908).

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

67288980 is a wasteful number, since it uses less digits than its factorization.

67288980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437 (or 2435 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 67288980 is about 8202.9860416802. The cubic root of 67288980 is about 406.7379059407.

The spelling of 67288980 in words is "sixty-seven million, two hundred eighty-eight thousand, nine hundred eighty".