728754232 has 32 divisors (see below), whose sum is σ = 1456542000. Its totient is φ = 340632064.

The previous prime is 728754227. The next prime is 728754233. The reversal of 728754232 is 232457827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728754233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2283 + ... + 38245.

Almost surely, 2^728754232 is an apocalyptic number.

It is an amenable number.

728754232 is a deficient number, since it is larger than the sum of its proper divisors (727787768).

728754232 is a wasteful number, since it uses less digits than its factorization.

728754232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36135 (or 36131 counting only the distinct ones).

The product of its digits is 188160, while the sum is 40.

The square root of 728754232 is about 26995.4483570842. The cubic root of 728754232 is about 899.8988495375.

The spelling of 728754232 in words is "seven hundred twenty-eight million, seven hundred fifty-four thousand, two hundred thirty-two".