67955040672 has 48 divisors (see below), whose sum is σ = 187770512160. Its totient is φ = 21459485952.

The previous prime is 67955040631. The next prime is 67955040683. The reversal of 67955040672 is 27604055976.

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

It is a super-3 number, since 3×67955040672³ (a number of 33 digits) contains 333 as substring.

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, 18626203 + ... + 18629850.

It is an arithmetic number, because the mean of its divisors is an integer number (3911885670).

Almost surely, 2^67955040672 is an apocalyptic number.

It is an amenable number.

67955040672 is an abundant number, since it is smaller than the sum of its proper divisors (119815471488).

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

67955040672 is a wasteful number, since it uses less digits than its factorization.

67955040672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37256085 (or 37256077 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 67955040672 in words is "sixty-seven billion, nine hundred fifty-five million, forty thousand, six hundred seventy-two".