67412231 has 4 divisors (see below), whose sum is σ = 67714752. Its totient is φ = 67109712.

The previous prime is 67412227. The next prime is 67412239. The reversal of 67412231 is 13221476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67412231 - 2² = 67412227 is a prime.

It is a super-2 number, since 2×67412231² = 9088817776794722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67412231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67412239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150926 + ... + 151371.

It is an arithmetic number, because the mean of its divisors is an integer number (16928688).

Almost surely, 2^67412231 is an apocalyptic number.

67412231 is a deficient number, since it is larger than the sum of its proper divisors (302521).

67412231 is a wasteful number, since it uses less digits than its factorization.

67412231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302520.

The product of its digits is 2016, while the sum is 26.

The square root of 67412231 is about 8210.4951738613. The cubic root of 67412231 is about 406.9860905967.

The spelling of 67412231 in words is "sixty-seven million, four hundred twelve thousand, two hundred thirty-one".