971571673 has 8 divisors (see below), whose sum is σ = 1003467528. Its totient is φ = 940178304.

The previous prime is 971571661. The next prime is 971571697. The reversal of 971571673 is 376175179.

971571673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 540469504 + 431102169 = 23248^2 + 20763^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 971571673 - 2¹⁷ = 971440601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (971571613) 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, 121690 + ... + 129427.

It is an arithmetic number, because the mean of its divisors is an integer number (125433441).

Almost surely, 2^971571673 is an apocalyptic number.

It is an amenable number.

971571673 is a deficient number, since it is larger than the sum of its proper divisors (31895855).

971571673 is a wasteful number, since it uses less digits than its factorization.

971571673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251243.

The product of its digits is 277830, while the sum is 46.

The square root of 971571673 is about 31170.0444818419. The cubic root of 971571673 is about 990.4326487025.

The spelling of 971571673 in words is "nine hundred seventy-one million, five hundred seventy-one thousand, six hundred seventy-three".