83669973 has 8 divisors (see below), whose sum is σ = 111713088. Its totient is φ = 55703424.

The previous prime is 83669953. The next prime is 83669981. The reversal of 83669973 is 37996638.

It is a happy number.

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

It is not a de Polignac number, because 83669973 - 2⁵ = 83669941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83669933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16540 + ... + 20997.

It is an arithmetic number, because the mean of its divisors is an integer number (13964136).

Almost surely, 2^83669973 is an apocalyptic number.

It is an amenable number.

83669973 is a deficient number, since it is larger than the sum of its proper divisors (28043115).

83669973 is a wasteful number, since it uses less digits than its factorization.

83669973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38283.

The product of its digits is 1469664, while the sum is 51.

The square root of 83669973 is about 9147.1292217832. The cubic root of 83669973 is about 437.3776058168.

The spelling of 83669973 in words is "eighty-three million, six hundred sixty-nine thousand, nine hundred seventy-three".