89071973 has 4 divisors (see below), whose sum is σ = 89201568. Its totient is φ = 88942380.

The previous prime is 89071937. The next prime is 89072029. The reversal of 89071973 is 37917098.

89071973 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89071973 - 2²² = 84877669 is a prime.

It is a super-2 number, since 2×89071973² = 15867632748225458, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89871973) 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 3 ways as a sum of consecutive naturals, for example, 63761 + ... + 65142.

It is an arithmetic number, because the mean of its divisors is an integer number (22300392).

Almost surely, 2^89071973 is an apocalyptic number.

It is an amenable number.

89071973 is a deficient number, since it is larger than the sum of its proper divisors (129595).

89071973 is a wasteful number, since it uses less digits than its factorization.

89071973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129594.

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

The square root of 89071973 is about 9437.7949225441. The cubic root of 89071973 is about 446.5948296020.

The spelling of 89071973 in words is "eighty-nine million, seventy-one thousand, nine hundred seventy-three".