67428968 has 32 divisors (see below), whose sum is σ = 131900160. Its totient is φ = 32279040.

The previous prime is 67428943. The next prime is 67428971. The reversal of 67428968 is 86982476.

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, 22655 + ... + 25457.

It is an arithmetic number, because the mean of its divisors is an integer number (4121880).

Almost surely, 2^67428968 is an apocalyptic number.

It is an amenable number.

67428968 is a deficient number, since it is larger than the sum of its proper divisors (64471192).

67428968 is a wasteful number, since it uses less digits than its factorization.

67428968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937 (or 2933 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The square root of 67428968 is about 8211.5143548556. The cubic root of 67428968 is about 407.0197697597.

The spelling of 67428968 in words is "sixty-seven million, four hundred twenty-eight thousand, nine hundred sixty-eight".