67220652 has 48 divisors (see below), whose sum is σ = 166676832. Its totient is φ = 21012480.

The previous prime is 67220641. The next prime is 67220677. The reversal of 67220652 is 25602276.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87952 + ... + 88712.

It is an arithmetic number, because the mean of its divisors is an integer number (3472434).

Almost surely, 2^67220652 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 67220652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83338416).

67220652 is an abundant number, since it is smaller than the sum of its proper divisors (99456180).

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

67220652 is a wasteful number, since it uses less digits than its factorization.

67220652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 67220652 is about 8198.8201590229. The cubic root of 67220652 is about 406.6001865109.

The spelling of 67220652 in words is "sixty-seven million, two hundred twenty thousand, six hundred fifty-two".