728752872 has 32 divisors (see below), whose sum is σ = 1929052800. Its totient is φ = 228628224.

The previous prime is 728752831. The next prime is 728752877. The reversal of 728752872 is 278257827.

It is not an unprimeable number, because it can be changed into a prime (728752877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 892672 + ... + 893487.

It is an arithmetic number, because the mean of its divisors is an integer number (60282900).

Almost surely, 2^728752872 is an apocalyptic number.

It is an amenable number.

728752872 is an abundant number, since it is smaller than the sum of its proper divisors (1200299928).

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

728752872 is a wasteful number, since it uses less digits than its factorization.

728752872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786185 (or 1786181 counting only the distinct ones).

The product of its digits is 878080, while the sum is 48.

The square root of 728752872 is about 26995.4231676408. The cubic root of 728752872 is about 899.8982897406.

The spelling of 728752872 in words is "seven hundred twenty-eight million, seven hundred fifty-two thousand, eight hundred seventy-two".