67233320 has 128 divisors (see below), whose sum is σ = 191600640. Its totient is φ = 20624640.

The previous prime is 67233311. The next prime is 67233323. The reversal of 67233320 is 2333276.

It is a self number, because there is not a number n which added to its sum of digits gives 67233320.

It is not an unprimeable number, because it can be changed into a prime (67233323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255509 + ... + 255771.

It is an arithmetic number, because the mean of its divisors is an integer number (1496880).

Almost surely, 2^67233320 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 67233320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95800320).

67233320 is an abundant number, since it is smaller than the sum of its proper divisors (124367320).

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

67233320 is a wasteful number, since it uses less digits than its factorization.

67233320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 67233320 is about 8199.5926728100. The cubic root of 67233320 is about 406.6257267156.

Adding to 67233320 its reverse (2333276), we get a palindrome (69566596).

The spelling of 67233320 in words is "sixty-seven million, two hundred thirty-three thousand, three hundred twenty".