82572450 has 48 divisors (see below), whose sum is σ = 205332096. Its totient is φ = 21960000.

The previous prime is 82572443. The next prime is 82572473. The reversal of 82572450 is 5427528.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109575 + ... + 110325.

It is an arithmetic number, because the mean of its divisors is an integer number (4277752).

Almost surely, 2^82572450 is an apocalyptic number.

82572450 is an abundant number, since it is smaller than the sum of its proper divisors (122759646).

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

82572450 is a wasteful number, since it uses less digits than its factorization.

82572450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 82572450 is about 9086.9384283157. The cubic root of 82572450 is about 435.4567800573.

Adding to 82572450 its reverse (5427528), we get a palindrome (87999978).

The spelling of 82572450 in words is "eighty-two million, five hundred seventy-two thousand, four hundred fifty".