728819742 has 32 divisors (see below), whose sum is σ = 1673789184. Its totient is φ = 207244800.

The previous prime is 728819717. The next prime is 728819753. The reversal of 728819742 is 247918827.

728819742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 728819691 and 728819700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32259 + ... + 49982.

It is an arithmetic number, because the mean of its divisors is an integer number (52305912).

Almost surely, 2^728819742 is an apocalyptic number.

728819742 is an abundant number, since it is smaller than the sum of its proper divisors (944969442).

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

728819742 is a wasteful number, since it uses less digits than its factorization.

728819742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82464.

The product of its digits is 451584, while the sum is 48.

The square root of 728819742 is about 26996.6616825118. The cubic root of 728819742 is about 899.9258136381.

The spelling of 728819742 in words is "seven hundred twenty-eight million, eight hundred nineteen thousand, seven hundred forty-two".