67040955072 has 672 divisors, whose sum is σ = 247859003392. Its totient is φ = 17494880256.

The previous prime is 67040955041. The next prime is 67040955103. The reversal of 67040955072 is 27055904076.

It is an interprime number because it is at equal distance from previous prime (67040955041) and next prime (67040955103).

It is a tau number, because it is divible by the number of its divisors (672).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 179734278 + ... + 179734650.

Almost surely, 2^67040955072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67040955072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123929501696).

67040955072 is an abundant number, since it is smaller than the sum of its proper divisors (180818048320).

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

67040955072 is a wasteful number, since it uses less digits than its factorization.

67040955072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 67040955072 in words is "sixty-seven billion, forty million, nine hundred fifty-five thousand, seventy-two".