728396027 has 8 divisors (see below), whose sum is σ = 767793360. Its totient is φ = 689104800.

The previous prime is 728396017. The next prime is 728396041. The reversal of 728396027 is 720693827.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-728396027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728396017) 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, 12224 + ... + 40077.

It is an arithmetic number, because the mean of its divisors is an integer number (95974170).

Almost surely, 2^728396027 is an apocalyptic number.

728396027 is a deficient number, since it is larger than the sum of its proper divisors (39397333).

728396027 is a wasteful number, since it uses less digits than its factorization.

728396027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53053.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 728396027 is about 26988.8129972402. The cubic root of 728396027 is about 899.7513827683.

The spelling of 728396027 in words is "seven hundred twenty-eight million, three hundred ninety-six thousand, twenty-seven".