67220560 has 40 divisors (see below), whose sum is σ = 170498016. Its totient is φ = 24443520.

The previous prime is 67220501. The next prime is 67220563. The reversal of 67220560 is 6502276.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67220563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37314 + ... + 39073.

Almost surely, 2^67220560 is an apocalyptic number.

It is an amenable number.

67220560 is an abundant number, since it is smaller than the sum of its proper divisors (103277456).

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

67220560 is a wasteful number, since it uses less digits than its factorization.

67220560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76411 (or 76405 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 67220560 is about 8198.8145484576. The cubic root of 67220560 is about 406.6000010162.

The spelling of 67220560 in words is "sixty-seven million, two hundred twenty thousand, five hundred sixty".