728042484 has 48 divisors (see below), whose sum is σ = 1832386752. Its totient is φ = 223652352.

The previous prime is 728042467. The next prime is 728042507. The reversal of 728042484 is 484240827.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103132 + ... + 109964.

It is an arithmetic number, because the mean of its divisors is an integer number (38174724).

Almost surely, 2^728042484 is an apocalyptic number.

It is an amenable number.

728042484 is an abundant number, since it is smaller than the sum of its proper divisors (1104344268).

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

728042484 is a wasteful number, since it uses less digits than its factorization.

728042484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7536 (or 7534 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 39.

The square root of 728042484 is about 26982.2623958778. The cubic root of 728042484 is about 899.6057878488.

The spelling of 728042484 in words is "seven hundred twenty-eight million, forty-two thousand, four hundred eighty-four".