82773173 has 8 divisors (see below), whose sum is σ = 94731840. Its totient is φ = 70848000.

The previous prime is 82773143. The next prime is 82773179. The reversal of 82773173 is 37137728.

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

It is a cyclic number.

It is not a de Polignac number, because 82773173 - 2¹⁸ = 82511029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82773179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2828 + ... + 13173.

It is an arithmetic number, because the mean of its divisors is an integer number (11841480).

Almost surely, 2^82773173 is an apocalyptic number.

It is an amenable number.

82773173 is a deficient number, since it is larger than the sum of its proper divisors (11958667).

82773173 is a wasteful number, since it uses less digits than its factorization.

82773173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16747.

The product of its digits is 49392, while the sum is 38.

The square root of 82773173 is about 9097.9763134447. The cubic root of 82773173 is about 435.8093409997.

The spelling of 82773173 in words is "eighty-two million, seven hundred seventy-three thousand, one hundred seventy-three".