82790073 has 16 divisors (see below), whose sum is σ = 123802560.
Its totient is φ = 54675648.
The previous prime is 82790063. The next prime is 82790089. The reversal of 82790073 is 37009728.
It is not a de Polignac number, because 82790073 - 26 = 82790009 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (82790023) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11440 + ... + 17217.
It is an arithmetic number, because the mean of its divisors is an integer number (7737660).
Almost surely, 282790073 is an apocalyptic number.
It is an amenable number.
82790073 is a deficient number, since it is larger than the sum of its proper divisors (41012487).
82790073 is a wasteful number, since it uses less digits than its factorization.
82790073 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28773 (or 28767 counting only the distinct ones).
The product of its (nonzero) digits is 21168, while the sum is 36.
The square root of 82790073 is about 9098.9050440149.
The cubic root of 82790073 is about 435.8389990656.
The spelling of 82790073 in words is "eighty-two million, seven hundred ninety thousand, seventy-three".