67622660 has 96 divisors (see below), whose sum is σ = 170311680. Its totient is φ = 22071168.

The previous prime is 67622627. The next prime is 67622683. The reversal of 67622660 is 6622676.

67622660 is nontrivially palindromic in base 16.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 67622660.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282821 + ... + 283059.

It is an arithmetic number, because the mean of its divisors is an integer number (1774080).

Almost surely, 2^67622660 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 67622660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85155840).

67622660 is an abundant number, since it is smaller than the sum of its proper divisors (102689020).

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

67622660 is a wasteful number, since it uses less digits than its factorization.

67622660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 67622660 is about 8223.2998242798. The cubic root of 67622660 is about 407.4091232231.

The spelling of 67622660 in words is "sixty-seven million, six hundred twenty-two thousand, six hundred sixty".