67012880 has 80 divisors (see below), whose sum is σ = 171203328. Its totient is φ = 24192000.

The previous prime is 67012879. The next prime is 67012903. The reversal of 67012880 is 8821076.

67012880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×67012880³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238340 + ... + 238620.

Almost surely, 2^67012880 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 67012880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85601664).

67012880 is an abundant number, since it is smaller than the sum of its proper divisors (104190448).

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

67012880 is a wasteful number, since it uses less digits than its factorization.

67012880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 67012880 is about 8186.1395052857. The cubic root of 67012880 is about 406.1808346156.

The spelling of 67012880 in words is "sixty-seven million, twelve thousand, eight hundred eighty".