67473906 has 8 divisors (see below), whose sum is σ = 134947824. Its totient is φ = 22491300.

The previous prime is 67473877. The next prime is 67473907. The reversal of 67473906 is 60937476.

It is a sphenic number, since it is the product of 3 distinct primes.

67473906 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (67473907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5622820 + ... + 5622831.

It is an arithmetic number, because the mean of its divisors is an integer number (16868478).

Almost surely, 2^67473906 is an apocalyptic number.

67473906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

67473906 is a wasteful number, since it uses less digits than its factorization.

67473906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11245656.

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 67473906 is about 8214.2501788051. The cubic root of 67473906 is about 407.1101690505.

The spelling of 67473906 in words is "sixty-seven million, four hundred seventy-three thousand, nine hundred six".