67231473 has 4 divisors (see below), whose sum is σ = 89641968. Its totient is φ = 44820980.

The previous prime is 67231471. The next prime is 67231537. The reversal of 67231473 is 37413276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67231473 - 2¹ = 67231471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67231471) 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, 11205243 + ... + 11205248.

It is an arithmetic number, because the mean of its divisors is an integer number (22410492).

Almost surely, 2^67231473 is an apocalyptic number.

It is an amenable number.

67231473 is a deficient number, since it is larger than the sum of its proper divisors (22410495).

67231473 is a wasteful number, since it uses less digits than its factorization.

67231473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22410494.

The product of its digits is 21168, while the sum is 33.

The square root of 67231473 is about 8199.4800444906. The cubic root of 67231473 is about 406.6220031423.

It can be divided in two parts, 67 and 231473, that added together give a triangular number (231540 = T₆₈₀).

The spelling of 67231473 in words is "sixty-seven million, two hundred thirty-one thousand, four hundred seventy-three".