67668748 has 12 divisors (see below), whose sum is σ = 135337552. Its totient is φ = 29000880.

The previous prime is 67668743. The next prime is 67668761. The reversal of 67668748 is 84786676.

67668748 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 67668695 and 67668704.

It is not an unprimeable number, because it can be changed into a prime (67668743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208343 + ... + 1208398.

Almost surely, 2^67668748 is an apocalyptic number.

It is an amenable number.

67668748 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

67668748 is a wasteful number, since it uses less digits than its factorization.

67668748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416752 (or 2416750 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 52.

The square root of 67668748 is about 8226.1016283535. The cubic root of 67668748 is about 407.5016583169.

The spelling of 67668748 in words is "sixty-seven million, six hundred sixty-eight thousand, seven hundred forty-eight".