82173303 has 12 divisors (see below), whose sum is σ = 118774968. Its totient is φ = 54745200.

The previous prime is 82173241. The next prime is 82173361. The reversal of 82173303 is 30337128.

It is not a de Polignac number, because 82173303 - 2⁹ = 82172791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82173103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20353 + ... + 24053.

It is an arithmetic number, because the mean of its divisors is an integer number (9897914).

Almost surely, 2^82173303 is an apocalyptic number.

82173303 is a deficient number, since it is larger than the sum of its proper divisors (36601665).

82173303 is a wasteful number, since it uses less digits than its factorization.

82173303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174 (or 6171 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 82173303 is about 9064.9491449208. The cubic root of 82173303 is about 434.7539948707.

The spelling of 82173303 in words is "eighty-two million, one hundred seventy-three thousand, three hundred three".