728049597 has 16 divisors (see below), whose sum is σ = 1060772160. Its totient is φ = 440496000.

The previous prime is 728049589. The next prime is 728049631. The reversal of 728049597 is 795940827.

It is not a de Polignac number, because 728049597 - 2³ = 728049589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728049577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1479 + ... + 38187.

It is an arithmetic number, because the mean of its divisors is an integer number (66298260).

Almost surely, 2^728049597 is an apocalyptic number.

It is an amenable number.

728049597 is a deficient number, since it is larger than the sum of its proper divisors (332722563).

728049597 is a wasteful number, since it uses less digits than its factorization.

728049597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37324.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The square root of 728049597 is about 26982.3942043696. The cubic root of 728049597 is about 899.6087175657.

The spelling of 728049597 in words is "seven hundred twenty-eight million, forty-nine thousand, five hundred ninety-seven".