67220480 has 88 divisors (see below), whose sum is σ = 169982880. Its totient is φ = 25436160.

The previous prime is 67220479. The next prime is 67220501. The reversal of 67220480 is 8402276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96935 + ... + 97625.

Almost surely, 2^67220480 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 67220480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84991440).

67220480 is an abundant number, since it is smaller than the sum of its proper divisors (102762400).

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

67220480 is a wasteful number, since it uses less digits than its factorization.

67220480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 67220480 is about 8198.8096697021. The cubic root of 67220480 is about 406.5998397163.

The spelling of 67220480 in words is "sixty-seven million, two hundred twenty thousand, four hundred eighty".