82051473 has 16 divisors (see below), whose sum is σ = 127391616. Its totient is φ = 46001280.

The previous prime is 82051379. The next prime is 82051493. The reversal of 82051473 is 37415028.

It is not a de Polignac number, because 82051473 - 2¹³ = 82043281 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 82051473.

It is not an unprimeable number, because it can be changed into a prime (82051493) 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, 35748 + ... + 37973.

It is an arithmetic number, because the mean of its divisors is an integer number (7961976).

Almost surely, 2^82051473 is an apocalyptic number.

It is an amenable number.

82051473 is a deficient number, since it is larger than the sum of its proper divisors (45340143).

82051473 is a wasteful number, since it uses less digits than its factorization.

82051473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73784.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 82051473 is about 9058.2268132345. The cubic root of 82051473 is about 434.5390334227.

The spelling of 82051473 in words is "eighty-two million, fifty-one thousand, four hundred seventy-three".