728378760 has 32 divisors (see below), whose sum is σ = 2185136640. Its totient is φ = 194234304.

The previous prime is 728378747. The next prime is 728378779. The reversal of 728378760 is 67873827.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3034792 + ... + 3035031.

It is an arithmetic number, because the mean of its divisors is an integer number (68285520).

Almost surely, 2^728378760 is an apocalyptic number.

It is an amenable number.

728378760 is an abundant number, since it is smaller than the sum of its proper divisors (1456757880).

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

728378760 is a wasteful number, since it uses less digits than its factorization.

728378760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6069837 (or 6069833 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 48.

The square root of 728378760 is about 26988.4931035432. The cubic root of 728378760 is about 899.7442730234.

The spelling of 728378760 in words is "seven hundred twenty-eight million, three hundred seventy-eight thousand, seven hundred sixty".