82444728 has 16 divisors (see below), whose sum is σ = 206111880. Its totient is φ = 27481568.

The previous prime is 82444711. The next prime is 82444751. The reversal of 82444728 is 82744428.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1717575 + ... + 1717622.

Almost surely, 2^82444728 is an apocalyptic number.

It is an amenable number.

82444728 is an abundant number, since it is smaller than the sum of its proper divisors (123667152).

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

82444728 is a wasteful number, since it uses less digits than its factorization.

82444728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3435206 (or 3435202 counting only the distinct ones).

The product of its digits is 114688, while the sum is 39.

The square root of 82444728 is about 9079.9079290486. The cubic root of 82444728 is about 435.2321445539.

The spelling of 82444728 in words is "eighty-two million, four hundred forty-four thousand, seven hundred twenty-eight".