82475328 has 112 divisors (see below), whose sum is σ = 237597696. Its totient is φ = 25098240.

The previous prime is 82475303. The next prime is 82475329. The reversal of 82475328 is 82357428.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82475329) 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, 431713 + ... + 431903.

It is an arithmetic number, because the mean of its divisors is an integer number (2121408).

Almost surely, 2^82475328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82475328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118798848).

82475328 is an abundant number, since it is smaller than the sum of its proper divisors (155122368).

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

82475328 is a wasteful number, since it uses less digits than its factorization.

82475328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 382 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 82475328 is about 9081.5928118365. The cubic root of 82475328 is about 435.2859844883.

The spelling of 82475328 in words is "eighty-two million, four hundred seventy-five thousand, three hundred twenty-eight".