728093937 has 8 divisors (see below), whose sum is σ = 976975936. Its totient is φ = 482303952.

The previous prime is 728093909. The next prime is 728093963. The reversal of 728093937 is 739390827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 728093937 - 2⁷ = 728093809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728091937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772453 + ... + 773394.

It is an arithmetic number, because the mean of its divisors is an integer number (122121992).

Almost surely, 2^728093937 is an apocalyptic number.

It is an amenable number.

728093937 is a deficient number, since it is larger than the sum of its proper divisors (248881999).

728093937 is a wasteful number, since it uses less digits than its factorization.

728093937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546007.

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 728093937 is about 26983.2158387395. The cubic root of 728093937 is about 899.6269799849.

The spelling of 728093937 in words is "seven hundred twenty-eight million, ninety-three thousand, nine hundred thirty-seven".