728237922 has 32 divisors (see below), whose sum is σ = 1499601600. Its totient is φ = 235591488.

The previous prime is 728237921. The next prime is 728237929. The reversal of 728237922 is 229732827.

It is not an unprimeable number, because it can be changed into a prime (728237921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89104 + ... + 96932.

It is an arithmetic number, because the mean of its divisors is an integer number (46862550).

Almost surely, 2^728237922 is an apocalyptic number.

728237922 is an abundant number, since it is smaller than the sum of its proper divisors (771363678).

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

728237922 is a wasteful number, since it uses less digits than its factorization.

728237922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8290.

The product of its digits is 169344, while the sum is 42.

The square root of 728237922 is about 26985.8837542890. The cubic root of 728237922 is about 899.6862783100.

The spelling of 728237922 in words is "seven hundred twenty-eight million, two hundred thirty-seven thousand, nine hundred twenty-two".