67729700032 has 28 divisors (see below), whose sum is σ = 134439213976. Its totient is φ = 33855252480.

The previous prime is 67729699979. The next prime is 67729700033. The reversal of 67729700032 is 23000792776.

It is not an unprimeable number, because it can be changed into a prime (67729700033) 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, 80368 + ... + 376720.

Almost surely, 2^67729700032 is an apocalyptic number.

It is an amenable number.

67729700032 is a deficient number, since it is larger than the sum of its proper divisors (66709513944).

67729700032 is a wasteful number, since it uses less digits than its factorization.

67729700032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299936 (or 299926 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 43.

The spelling of 67729700032 in words is "sixty-seven billion, seven hundred twenty-nine million, seven hundred thousand, thirty-two".