82073481 has 24 divisors (see below), whose sum is σ = 127743840. Its totient is φ = 46734912.

The previous prime is 82073479. The next prime is 82073489. The reversal of 82073481 is 18437028.

It is not a de Polignac number, because 82073481 - 2¹ = 82073479 is a prime.

It is a super-2 number, since 2×82073481² = 13472112566914722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82073489) 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 23 ways as a sum of consecutive naturals, for example, 50205 + ... + 51813.

It is an arithmetic number, because the mean of its divisors is an integer number (5322660).

Almost surely, 2^82073481 is an apocalyptic number.

It is an amenable number.

82073481 is a deficient number, since it is larger than the sum of its proper divisors (45670359).

82073481 is a wasteful number, since it uses less digits than its factorization.

82073481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973 (or 1966 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 82073481 is about 9059.4415390795. The cubic root of 82073481 is about 434.5778809079.

The spelling of 82073481 in words is "eighty-two million, seventy-three thousand, four hundred eighty-one".