67690675488 has 48 divisors (see below), whose sum is σ = 177741768960. Its totient is φ = 22556733696.

The previous prime is 67690675433. The next prime is 67690675499. The reversal of 67690675488 is 88457609676.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217506 + ... + 427422.

It is an arithmetic number, because the mean of its divisors is an integer number (3702953520).

Almost surely, 2^67690675488 is an apocalyptic number.

It is an amenable number.

67690675488 is an abundant number, since it is smaller than the sum of its proper divisors (110051093472).

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

67690675488 is a wasteful number, since it uses less digits than its factorization.

67690675488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213289 (or 213281 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 66.

The spelling of 67690675488 in words is "sixty-seven billion, six hundred ninety million, six hundred seventy-five thousand, four hundred eighty-eight".