973701561 has 16 divisors (see below), whose sum is σ = 1487129600. Its totient is φ = 555128208.

The previous prime is 973701559. The next prime is 973701601. The reversal of 973701561 is 165107379.

It is not a de Polignac number, because 973701561 - 2¹ = 973701559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (973701511) 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, 43591 + ... + 62028.

It is an arithmetic number, because the mean of its divisors is an integer number (92945600).

Almost surely, 2^973701561 is an apocalyptic number.

It is an amenable number.

973701561 is a deficient number, since it is larger than the sum of its proper divisors (513428039).

973701561 is a wasteful number, since it uses less digits than its factorization.

973701561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106068.

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 973701561 is about 31204.1914011564. The cubic root of 973701561 is about 991.1558655447.

The spelling of 973701561 in words is "nine hundred seventy-three million, seven hundred one thousand, five hundred sixty-one".