947724673 has 16 divisors (see below), whose sum is σ = 1094139904. Its totient is φ = 804096720.

The previous prime is 947724667. The next prime is 947724677. The reversal of 947724673 is 376427749.

It is not a de Polignac number, because 947724673 - 2²⁵ = 914170241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (947724677) 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 15 ways as a sum of consecutive naturals, for example, 506686 + ... + 508552.

It is an arithmetic number, because the mean of its divisors is an integer number (68383744).

Almost surely, 2^947724673 is an apocalyptic number.

It is an amenable number.

947724673 is a deficient number, since it is larger than the sum of its proper divisors (146415231).

947724673 is a wasteful number, since it uses less digits than its factorization.

947724673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572.

The product of its digits is 1778112, while the sum is 49.

The square root of 947724673 is about 30785.1372093743. The cubic root of 947724673 is about 982.2621188775.

The spelling of 947724673 in words is "nine hundred forty-seven million, seven hundred twenty-four thousand, six hundred seventy-three".