728691162 has 16 divisors (see below), whose sum is σ = 1543110912. Its totient is φ = 228608960.

The previous prime is 728691157. The next prime is 728691199. The reversal of 728691162 is 261196827.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3571914 + ... + 3572117.

It is an arithmetic number, because the mean of its divisors is an integer number (96444432).

Almost surely, 2^728691162 is an apocalyptic number.

728691162 is an abundant number, since it is smaller than the sum of its proper divisors (814419750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728691162 is a wasteful number, since it uses less digits than its factorization.

728691162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7144053.

The product of its digits is 72576, while the sum is 42.

The square root of 728691162 is about 26994.2801719179. The cubic root of 728691162 is about 899.8728882210.

The spelling of 728691162 in words is "seven hundred twenty-eight million, six hundred ninety-one thousand, one hundred sixty-two".