82480728 has 32 divisors (see below), whose sum is σ = 224948160. Its totient is φ = 24994080.

The previous prime is 82480721. The next prime is 82480757. The reversal of 82480728 is 82708428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82480721) 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 7 ways as a sum of consecutive naturals, for example, 155950 + ... + 156477.

It is an arithmetic number, because the mean of its divisors is an integer number (7029630).

Almost surely, 2^82480728 is an apocalyptic number.

82480728 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

82480728 is an abundant number, since it is smaller than the sum of its proper divisors (142467432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82480728 is a wasteful number, since it uses less digits than its factorization.

82480728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312447 (or 312443 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 82480728 is about 9081.8901116453. The cubic root of 82480728 is about 435.2954842708.

The spelling of 82480728 in words is "eighty-two million, four hundred eighty thousand, seven hundred twenty-eight".