67912272 has 60 divisors (see below), whose sum is σ = 192924160. Its totient is φ = 22296384.

The previous prime is 67912267. The next prime is 67912301. The reversal of 67912272 is 27221976.

It is a super-2 number, since 2×67912272² = 9224153376403968, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6129 + ... + 13167.

Almost surely, 2^67912272 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 67912272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96462080).

67912272 is an abundant number, since it is smaller than the sum of its proper divisors (125011888).

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

67912272 is a wasteful number, since it uses less digits than its factorization.

67912272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7120 (or 7111 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 67912272 is about 8240.8902431715. The cubic root of 67912272 is about 407.9899074781.

The spelling of 67912272 in words is "sixty-seven million, nine hundred twelve thousand, two hundred seventy-two".