67622028 has 48 divisors (see below), whose sum is σ = 161489664. Its totient is φ = 22017600.

The previous prime is 67622003. The next prime is 67622029. The reversal of 67622028 is 82022676.

It is a self number, because there is not a number n which added to its sum of digits gives 67622028.

It is not an unprimeable number, because it can be changed into a prime (67622029) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 121126 + ... + 121682.

It is an arithmetic number, because the mean of its divisors is an integer number (3364368).

Almost surely, 2^67622028 is an apocalyptic number.

It is an amenable number.

67622028 is an abundant number, since it is smaller than the sum of its proper divisors (93867636).

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

67622028 is a wasteful number, since it uses less digits than its factorization.

67622028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 67622028 is about 8223.2613967939. The cubic root of 67622028 is about 407.4078540067.

The spelling of 67622028 in words is "sixty-seven million, six hundred twenty-two thousand, twenty-eight".