67999480 has 64 divisors (see below), whose sum is σ = 162518400. Its totient is φ = 25534080.

The previous prime is 67999453. The next prime is 67999501. The reversal of 67999480 is 8499976.

It is a congruent number.

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, 99219 + ... + 99901.

It is an arithmetic number, because the mean of its divisors is an integer number (2539350).

Almost surely, 2^67999480 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 67999480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81259200).

67999480 is an abundant number, since it is smaller than the sum of its proper divisors (94518920).

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

67999480 is a wasteful number, since it uses less digits than its factorization.

67999480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 67999480 is about 8246.1797215438. The cubic root of 67999480 is about 408.1644697672.

The spelling of 67999480 in words is "sixty-seven million, nine hundred ninety-nine thousand, four hundred eighty".