67228684 has 24 divisors (see below), whose sum is σ = 122068800. Its totient is φ = 32373120.

The previous prime is 67228621. The next prime is 67228697. The reversal of 67228684 is 48682276.

It is a self number, because there is not a number n which added to its sum of digits gives 67228684.

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, 10362 + ... + 15550.

It is an arithmetic number, because the mean of its divisors is an integer number (5086200).

Almost surely, 2^67228684 is an apocalyptic number.

It is an amenable number.

67228684 is a deficient number, since it is larger than the sum of its proper divisors (54840116).

67228684 is a wasteful number, since it uses less digits than its factorization.

67228684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5313 (or 5311 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 67228684 is about 8199.3099709671. The cubic root of 67228684 is about 406.6163803568.

The spelling of 67228684 in words is "sixty-seven million, two hundred twenty-eight thousand, six hundred eighty-four".