67201320 has 64 divisors (see below), whose sum is σ = 203598720. Its totient is φ = 17743104.

The previous prime is 67201291. The next prime is 67201327. The reversal of 67201320 is 2310276.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (67201327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9642 + ... + 15078.

It is an arithmetic number, because the mean of its divisors is an integer number (3181230).

Almost surely, 2^67201320 is an apocalyptic number.

67201320 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 67201320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101799360).

67201320 is an abundant number, since it is smaller than the sum of its proper divisors (136397400).

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

67201320 is a wasteful number, since it uses less digits than its factorization.

67201320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554 (or 5550 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 67201320 is about 8197.6411241283. The cubic root of 67201320 is about 406.5612046990.

Adding to 67201320 its reverse (2310276), we get a palindrome (69511596).

The spelling of 67201320 in words is "sixty-seven million, two hundred one thousand, three hundred twenty".