67730795887552 has 56 divisors (see below), whose sum is σ = 153673369933824. Its totient is φ = 29014331066112.

The previous prime is 67730795887543. The next prime is 67730795887561. The reversal of 67730795887552 is 25578859703776.

It is an interprime number because it is at equal distance from previous prime (67730795887543) and next prime (67730795887561).

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×67730795887552² (a number of 28 digits) contains 22 as substring.

It is a congruent 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, 33262468 + ... + 35239939.

Almost surely, 2^{67730795887552} is an apocalyptic number.

It is an amenable number.

67730795887552 is an abundant number, since it is smaller than the sum of its proper divisors (85942574046272).

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

67730795887552 is a wasteful number, since it uses less digits than its factorization.

67730795887552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68504633 (or 68504623 counting only the distinct ones).

The product of its (nonzero) digits is 6223392000, while the sum is 79.

The spelling of 67730795887552 in words is "sixty-seven trillion, seven hundred thirty billion, seven hundred ninety-five million, eight hundred eighty-seven thousand, five hundred fifty-two".