973071643 has 8 divisors (see below), whose sum is σ = 1025168400. Its totient is φ = 921063168.

The previous prime is 973071629. The next prime is 973071707. The reversal of 973071643 is 346170379.

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 973071643 - 2⁹ = 973071131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 973071596 and 973071605.

It is not an unprimeable number, because it can be changed into a prime (973071613) 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, 1203 + ... + 44131.

It is an arithmetic number, because the mean of its divisors is an integer number (128146050).

Almost surely, 2^973071643 is an apocalyptic number.

973071643 is a deficient number, since it is larger than the sum of its proper divisors (52096757).

973071643 is a wasteful number, since it uses less digits than its factorization.

973071643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44141.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 973071643 is about 31194.0962843933. The cubic root of 973071643 is about 990.9420828586.

The spelling of 973071643 in words is "nine hundred seventy-three million, seventy-one thousand, six hundred forty-three".