67988480 has 132 divisors (see below), whose sum is σ = 190420128. Its totient is φ = 23224320.

The previous prime is 67988471. The next prime is 67988489. The reversal of 67988480 is 8488976.

It is an interprime number because it is at equal distance from previous prime (67988471) and next prime (67988489).

It is not an unprimeable number, because it can be changed into a prime (67988489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250745 + ... + 251015.

Almost surely, 2^67988480 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 67988480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95210064).

67988480 is an abundant number, since it is smaller than the sum of its proper divisors (122431648).

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

67988480 is a wasteful number, since it uses less digits than its factorization.

67988480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 67988480 is about 8245.5127190491. The cubic root of 67988480 is about 408.1424595435.

The spelling of 67988480 in words is "sixty-seven million, nine hundred eighty-eight thousand, four hundred eighty".