67322880 has 176 divisors, whose sum is σ = 239744640. Its totient is φ = 17915904.

The previous prime is 67322867. The next prime is 67322881. The reversal of 67322880 is 8822376.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (67322881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137997 + ... + 138483.

Almost surely, 2^67322880 is an apocalyptic number.

67322880 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 67322880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119872320).

67322880 is an abundant number, since it is smaller than the sum of its proper divisors (172421760).

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

67322880 is a wasteful number, since it uses less digits than its factorization.

67322880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 67322880 is about 8205.0521022112. The cubic root of 67322880 is about 406.8061989466.

The spelling of 67322880 in words is "sixty-seven million, three hundred twenty-two thousand, eight hundred eighty".