67472311 has 4 divisors (see below), whose sum is σ = 67489992. Its totient is φ = 67454632.

The previous prime is 67472291. The next prime is 67472351. The reversal of 67472311 is 11327476.

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 67472311 - 2¹⁵ = 67439543 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67472351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481 + ... + 11626.

It is an arithmetic number, because the mean of its divisors is an integer number (16872498).

Almost surely, 2^67472311 is an apocalyptic number.

67472311 is a deficient number, since it is larger than the sum of its proper divisors (17681).

67472311 is a wasteful number, since it uses less digits than its factorization.

67472311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17680.

The product of its digits is 7056, while the sum is 31.

The square root of 67472311 is about 8214.1530908548. The cubic root of 67472311 is about 407.1069611643.

Adding to 67472311 its reverse (11327476), we get a palindrome (78799787).

The spelling of 67472311 in words is "sixty-seven million, four hundred seventy-two thousand, three hundred eleven".