728004044 has 24 divisors (see below), whose sum is σ = 1299679920. Its totient is φ = 356723136.

The previous prime is 728004041. The next prime is 728004059. The reversal of 728004044 is 440400827.

It is a junction number, because it is equal to n+sod(n) for n = 728003998 and 728004016.

It is not an unprimeable number, because it can be changed into a prime (728004041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45902 + ... + 59690.

It is an arithmetic number, because the mean of its divisors is an integer number (54153330).

Almost surely, 2^728004044 is an apocalyptic number.

It is an amenable number.

728004044 is a deficient number, since it is larger than the sum of its proper divisors (571675876).

728004044 is a wasteful number, since it uses less digits than its factorization.

728004044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14057 (or 14055 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 728004044 is about 26981.5500666659. The cubic root of 728004044 is about 899.5899547732.

The spelling of 728004044 in words is "seven hundred twenty-eight million, four thousand, forty-four".