728629382 has 32 divisors (see below), whose sum is σ = 1217748000. Its totient is φ = 324787968.

The previous prime is 728629381. The next prime is 728629427. The reversal of 728629382 is 283926827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728629381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130994 + ... + 136442.

It is an arithmetic number, because the mean of its divisors is an integer number (38054625).

Almost surely, 2^728629382 is an apocalyptic number.

728629382 is a deficient number, since it is larger than the sum of its proper divisors (489118618).

728629382 is a wasteful number, since it uses less digits than its factorization.

728629382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640.

The product of its digits is 580608, while the sum is 47.

The square root of 728629382 is about 26993.1358311701. The cubic root of 728629382 is about 899.8474564509.

The spelling of 728629382 in words is "seven hundred twenty-eight million, six hundred twenty-nine thousand, three hundred eighty-two".