728824147 has 8 divisors (see below), whose sum is σ = 750236256. Its totient is φ = 707695872.

The previous prime is 728824127. The next prime is 728824177. The reversal of 728824147 is 741428827.

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-728824147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728824127) 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, 65743 + ... + 76024.

It is an arithmetic number, because the mean of its divisors is an integer number (93779532).

Almost surely, 2^728824147 is an apocalyptic number.

728824147 is a deficient number, since it is larger than the sum of its proper divisors (21412109).

728824147 is a wasteful number, since it uses less digits than its factorization.

728824147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141917.

The product of its digits is 200704, while the sum is 43.

The square root of 728824147 is about 26996.7432665498. The cubic root of 728824147 is about 899.9276266906.

The spelling of 728824147 in words is "seven hundred twenty-eight million, eight hundred twenty-four thousand, one hundred forty-seven".