67361280 has 240 divisors, whose sum is σ = 251903520. Its totient is φ = 15310848.

The previous prime is 67361269. The next prime is 67361299. The reversal of 67361280 is 8216376.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376231 + ... + 376409.

It is an arithmetic number, because the mean of its divisors is an integer number (1049598).

Almost surely, 2^67361280 is an apocalyptic number.

67361280 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 67361280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125951760).

67361280 is an abundant number, since it is smaller than the sum of its proper divisors (184542240).

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

67361280 is a wasteful number, since it uses less digits than its factorization.

67361280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 67361280 is about 8207.3917903314. The cubic root of 67361280 is about 406.8835297090.

The spelling of 67361280 in words is "sixty-seven million, three hundred sixty-one thousand, two hundred eighty".