67994880 has 72 divisors (see below), whose sum is σ = 217170912. Its totient is φ = 18130944.

The previous prime is 67994869. The next prime is 67994887. The reversal of 67994880 is 8849976.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67994887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5014 + ... + 12693.

Almost surely, 2^67994880 is an apocalyptic number.

67994880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67994880 is an abundant number, since it is smaller than the sum of its proper divisors (149176032).

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

67994880 is a wasteful number, since it uses less digits than its factorization.

67994880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17731 (or 17717 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 67994880 is about 8245.9007997914. The cubic root of 67994880 is about 408.1552657806.

It can be divided in two parts, 679 and 94880, that added together give a palindrome (95559).

The spelling of 67994880 in words is "sixty-seven million, nine hundred ninety-four thousand, eight hundred eighty".