67231272 has 64 divisors (see below), whose sum is σ = 179899200. Its totient is φ = 20874240.

The previous prime is 67231261. The next prime is 67231273. The reversal of 67231272 is 27213276.

It is not an unprimeable number, because it can be changed into a prime (67231273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26608 + ... + 29024.

It is an arithmetic number, because the mean of its divisors is an integer number (2810925).

Almost surely, 2^67231272 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 67231272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89949600).

67231272 is an abundant number, since it is smaller than the sum of its proper divisors (112667928).

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

67231272 is a wasteful number, since it uses less digits than its factorization.

67231272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506 (or 2502 counting only the distinct ones).

The product of its digits is 7056, while the sum is 30.

The square root of 67231272 is about 8199.4677876067. The cubic root of 67231272 is about 406.6215979198.

The spelling of 67231272 in words is "sixty-seven million, two hundred thirty-one thousand, two hundred seventy-two".