83332728 has 48 divisors (see below), whose sum is σ = 226226520. Its totient is φ = 27711936.

The previous prime is 83332723. The next prime is 83332729. The reversal of 83332728 is 82723338.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 83332692 and 83332701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83332723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36550 + ... + 38762.

Almost surely, 2^83332728 is an apocalyptic number.

It is an amenable number.

83332728 is an abundant number, since it is smaller than the sum of its proper divisors (142893792).

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

83332728 is a wasteful number, since it uses less digits than its factorization.

83332728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748 (or 2741 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 83332728 is about 9128.6761362204. The cubic root of 83332728 is about 436.7891747508.

The spelling of 83332728 in words is "eighty-three million, three hundred thirty-two thousand, seven hundred twenty-eight".