728609260 has 12 divisors (see below), whose sum is σ = 1530079488. Its totient is φ = 291443696.

The previous prime is 728609257. The next prime is 728609261. The reversal of 728609260 is 62906827.

It is not an unprimeable number, because it can be changed into a prime (728609261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18215212 + ... + 18215251.

It is an arithmetic number, because the mean of its divisors is an integer number (127506624).

Almost surely, 2^728609260 is an apocalyptic number.

It is an amenable number.

728609260 is an abundant number, since it is smaller than the sum of its proper divisors (801470228).

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

728609260 is a wasteful number, since it uses less digits than its factorization.

728609260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36430472 (or 36430470 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 728609260 is about 26992.7631042100. The cubic root of 728609260 is about 899.8391729085.

The spelling of 728609260 in words is "seven hundred twenty-eight million, six hundred nine thousand, two hundred sixty".