67352473 has 4 divisors (see below), whose sum is σ = 70897360. Its totient is φ = 63807588.

The previous prime is 67352449. The next prime is 67352507. The reversal of 67352473 is 37425376.

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 67352473 - 2²¹ = 65255321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67352573) 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, 1772415 + ... + 1772452.

It is an arithmetic number, because the mean of its divisors is an integer number (17724340).

Almost surely, 2^67352473 is an apocalyptic number.

It is an amenable number.

67352473 is a deficient number, since it is larger than the sum of its proper divisors (3544887).

67352473 is a wasteful number, since it uses less digits than its factorization.

67352473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544886.

The product of its digits is 105840, while the sum is 37.

The square root of 67352473 is about 8206.8552442455. The cubic root of 67352473 is about 406.8657965769.

The spelling of 67352473 in words is "sixty-seven million, three hundred fifty-two thousand, four hundred seventy-three".