89710973 has 6 divisors (see below), whose sum is σ = 98608062. Its totient is φ = 81555320.

The previous prime is 89710969. The next prime is 89710987. The reversal of 89710973 is 37901798.

It can be written as a sum of positive squares in only one way, i.e., 83960569 + 5750404 = 9163^2 + 2398^2 .

It is not a de Polignac number, because 89710973 - 2² = 89710969 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89710073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 370586 + ... + 370827.

It is an arithmetic number, because the mean of its divisors is an integer number (16434677).

Almost surely, 2^89710973 is an apocalyptic number.

It is an amenable number.

89710973 is a deficient number, since it is larger than the sum of its proper divisors (8897089).

89710973 is a wasteful number, since it uses less digits than its factorization.

89710973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741435 (or 741424 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 89710973 is about 9471.5876705017. The cubic root of 89710973 is about 447.6602391105.

The spelling of 89710973 in words is "eighty-nine million, seven hundred ten thousand, nine hundred seventy-three".