67266560 has 48 divisors (see below), whose sum is σ = 161424900. Its totient is φ = 26902528.

The previous prime is 67266557. The next prime is 67266581. The reversal of 67266560 is 6566276.

It can be written as a sum of positive squares in 2 ways, for example, as 65545216 + 1721344 = 8096^2 + 1312^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6956 + ... + 13524.

Almost surely, 2^67266560 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 67266560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80712450).

67266560 is an abundant number, since it is smaller than the sum of its proper divisors (94158340).

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

67266560 is an equidigital number, since it uses as much as digits as its factorization.

67266560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6596 (or 6576 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 67266560 is about 8201.6193522987. The cubic root of 67266560 is about 406.6927272857.

The spelling of 67266560 in words is "sixty-seven million, two hundred sixty-six thousand, five hundred sixty".