728140360 has 32 divisors (see below), whose sum is σ = 1652824440. Its totient is φ = 288676864.

The previous prime is 728140349. The next prime is 728140423. The reversal of 728140360 is 63041827.

It can be written as a sum of positive squares in 4 ways, for example, as 231831076 + 496309284 = 15226^2 + 22278^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76027 + ... + 85066.

Almost surely, 2^728140360 is an apocalyptic number.

It is an amenable number.

728140360 is an abundant number, since it is smaller than the sum of its proper divisors (924684080).

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

728140360 is a wasteful number, since it uses less digits than its factorization.

728140360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161217 (or 161213 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 728140360 is about 26984.0760449566. The cubic root of 728140360 is about 899.6460995397.

The spelling of 728140360 in words is "seven hundred twenty-eight million, one hundred forty thousand, three hundred sixty".