728833743 has 12 divisors (see below), whose sum is σ = 1148465448. Its totient is φ = 441717360.

The previous prime is 728833739. The next prime is 728833751. The reversal of 728833743 is 347338827.

It is not a de Polignac number, because 728833743 - 2² = 728833739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728833723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3680880 + ... + 3681077.

It is an arithmetic number, because the mean of its divisors is an integer number (95705454).

Almost surely, 2^728833743 is an apocalyptic number.

728833743 is a deficient number, since it is larger than the sum of its proper divisors (419631705).

728833743 is a wasteful number, since it uses less digits than its factorization.

728833743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7361974 (or 7361971 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 728833743 is about 26996.9209911056. The cubic root of 728833743 is about 899.9315762796.

The spelling of 728833743 in words is "seven hundred twenty-eight million, eight hundred thirty-three thousand, seven hundred forty-three".