67344480 has 384 divisors, whose sum is σ = 287400960. Its totient is φ = 14376960.

The previous prime is 67344479. The next prime is 67344523. The reversal of 67344480 is 8444376.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 514015 + ... + 514145.

It is an arithmetic number, because the mean of its divisors is an integer number (748440).

Almost surely, 2^67344480 is an apocalyptic number.

67344480 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 67344480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143700480).

67344480 is an abundant number, since it is smaller than the sum of its proper divisors (220056480).

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

67344480 is a wasteful number, since it uses less digits than its factorization.

67344480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 67344480 is about 8206.3682588585. The cubic root of 67344480 is about 406.8497011176.

The spelling of 67344480 in words is "sixty-seven million, three hundred forty-four thousand, four hundred eighty".