873081728 has 16 divisors (see below), whose sum is σ = 1739342760. Its totient is φ = 436540800.

The previous prime is 873081719. The next prime is 873081779. The reversal of 873081728 is 827180378.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3410348 + ... + 3410603.

Almost surely, 2^873081728 is an apocalyptic number.

It is an amenable number.

873081728 is a deficient number, since it is larger than the sum of its proper divisors (866261032).

873081728 is an equidigital number, since it uses as much as digits as its factorization.

873081728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6820965 (or 6820953 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 44.

The square root of 873081728 is about 29547.9564098771. The cubic root of 873081728 is about 955.7661233530.

The spelling of 873081728 in words is "eight hundred seventy-three million, eighty-one thousand, seven hundred twenty-eight".