728317876 has 96 divisors (see below), whose sum is σ = 1601147520. Its totient is φ = 287147520.

The previous prime is 728317873. The next prime is 728317901. The reversal of 728317876 is 678713827.

Its product of digits (790272) is a multiple of the sum of its prime factors (686).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728317871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1176295 + ... + 1176913.

It is an arithmetic number, because the mean of its divisors is an integer number (16678620).

Almost surely, 2^728317876 is an apocalyptic number.

It is an amenable number.

728317876 is an abundant number, since it is smaller than the sum of its proper divisors (872829644).

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

728317876 is a wasteful number, since it uses less digits than its factorization.

728317876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 662 counting only the distinct ones).

The product of its digits is 790272, while the sum is 49.

The square root of 728317876 is about 26987.3651177732. The cubic root of 728317876 is about 899.7192029363.

The spelling of 728317876 in words is "seven hundred twenty-eight million, three hundred seventeen thousand, eight hundred seventy-six".