67678936 has 16 divisors (see below), whose sum is σ = 136659600. Its totient is φ = 31236384.

The previous prime is 67678927. The next prime is 67678973. The reversal of 67678936 is 63987676.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325276 + ... + 325483.

It is an arithmetic number, because the mean of its divisors is an integer number (8541225).

Almost surely, 2^67678936 is an apocalyptic number.

It is an amenable number.

67678936 is an abundant number, since it is smaller than the sum of its proper divisors (68980664).

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

67678936 is a wasteful number, since it uses less digits than its factorization.

67678936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650778 (or 650774 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 52.

The square root of 67678936 is about 8226.7208534142. The cubic root of 67678936 is about 407.5221080256.

The spelling of 67678936 in words is "sixty-seven million, six hundred seventy-eight thousand, nine hundred thirty-six".