67680712 has 32 divisors (see below), whose sum is σ = 138801600. Its totient is φ = 30683200.

The previous prime is 67680707. The next prime is 67680727. The reversal of 67680712 is 21708676.

It is a happy number.

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, 44037 + ... + 45547.

It is an arithmetic number, because the mean of its divisors is an integer number (4337550).

Almost surely, 2^67680712 is an apocalyptic number.

It is an amenable number.

67680712 is an abundant number, since it is smaller than the sum of its proper divisors (71120888).

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

67680712 is a wasteful number, since it uses less digits than its factorization.

67680712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037 (or 2033 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 67680712 is about 8226.8287936483. The cubic root of 67680712 is about 407.5256726646.

The spelling of 67680712 in words is "sixty-seven million, six hundred eighty thousand, seven hundred twelve".