84292973 has 4 divisors (see below), whose sum is σ = 84332028. Its totient is φ = 84253920.

The previous prime is 84292961. The next prime is 84292981. The reversal of 84292973 is 37929248.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8219689 + 76073284 = 2867^2 + 8722^2 .

It is a cyclic number.

It is not a de Polignac number, because 84292973 - 2⁶ = 84292909 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 (84292913) 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, 16088 + ... + 20673.

It is an arithmetic number, because the mean of its divisors is an integer number (21083007).

Almost surely, 2^84292973 is an apocalyptic number.

It is an amenable number.

84292973 is a deficient number, since it is larger than the sum of its proper divisors (39055).

84292973 is a wasteful number, since it uses less digits than its factorization.

84292973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39054.

The product of its digits is 217728, while the sum is 44.

The square root of 84292973 is about 9181.1204653898. The cubic root of 84292973 is about 438.4604822610.

Adding to 84292973 its reverse (37929248), we get a palindrome (122222221).

The spelling of 84292973 in words is "eighty-four million, two hundred ninety-two thousand, nine hundred seventy-three".