67872856 has 8 divisors (see below), whose sum is σ = 127261620. Its totient is φ = 33936424.

The previous prime is 67872799. The next prime is 67872869. The reversal of 67872856 is 65827876.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4242046 + ... + 4242061.

Almost surely, 2^67872856 is an apocalyptic number.

It is an amenable number.

67872856 is a deficient number, since it is larger than the sum of its proper divisors (59388764).

67872856 is a wasteful number, since it uses less digits than its factorization.

67872856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8484113 (or 8484109 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 49.

The square root of 67872856 is about 8238.4984068700. The cubic root of 67872856 is about 407.9109603213.

The spelling of 67872856 in words is "sixty-seven million, eight hundred seventy-two thousand, eight hundred fifty-six".