147666673 has 8 divisors (see below), whose sum is σ = 184104000. Its totient is φ = 115064880.

The previous prime is 147666661. The next prime is 147666691. The reversal of 147666673 is 376666741.

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

It is not a de Polignac number, because 147666673 - 2²⁵ = 114112241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147666473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958798 + ... + 958951.

It is an arithmetic number, because the mean of its divisors is an integer number (23013000).

Almost surely, 2^147666673 is an apocalyptic number.

It is an amenable number.

147666673 is a deficient number, since it is larger than the sum of its proper divisors (36437327).

147666673 is a wasteful number, since it uses less digits than its factorization.

147666673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917767.

The product of its digits is 762048, while the sum is 46.

The square root of 147666673 is about 12151.8176829641. The cubic root of 147666673 is about 528.5598412674.

It can be divided in two parts, 1 and 47666673, that added together give a palindrome (47666674).

The spelling of 147666673 in words is "one hundred forty-seven million, six hundred sixty-six thousand, six hundred seventy-three".