67272012144 has 120 divisors (see below), whose sum is σ = 196499891952. Its totient is φ = 21464202240.

The previous prime is 67272012127. The next prime is 67272012151. The reversal of 67272012144 is 44121027276.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 67272012099 and 67272012108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205419 + ... + 420405.

Almost surely, 2^67272012144 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 67272012144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98249945976).

67272012144 is an abundant number, since it is smaller than the sum of its proper divisors (129227879808).

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

67272012144 is a wasteful number, since it uses less digits than its factorization.

67272012144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215095 (or 215086 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The spelling of 67272012144 in words is "sixty-seven billion, two hundred seventy-two million, twelve thousand, one hundred forty-four".