728072595445 has 32 divisors (see below), whose sum is σ = 942856306560. Its totient is φ = 536533320960.

The previous prime is 728072595433. The next prime is 728072595449. The reversal of 728072595445 is 544595270827.

It is not a de Polignac number, because 728072595445 - 2⁹ = 728072594933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 728072595445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728072595449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76707150 + ... + 76716640.

It is an arithmetic number, because the mean of its divisors is an integer number (29464259580).

Almost surely, 2^728072595445 is an apocalyptic number.

It is an amenable number.

728072595445 is a deficient number, since it is larger than the sum of its proper divisors (214783711115).

728072595445 is a wasteful number, since it uses less digits than its factorization.

728072595445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11845.

The product of its (nonzero) digits is 28224000, while the sum is 58.

The spelling of 728072595445 in words is "seven hundred twenty-eight billion, seventy-two million, five hundred ninety-five thousand, four hundred forty-five".