741728 has 24 divisors (see below), whose sum is σ = 1573488. Its totient is φ = 342144.

The previous prime is 741721. The next prime is 741781. The reversal of 741728 is 827147.

It is a self number, because there is not a number n which added to its sum of digits gives 741728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (741721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476 + ... + 1307.

It is an arithmetic number, because the mean of its divisors is an integer number (65562).

2⁷⁴¹⁷²⁸ is an apocalyptic number.

It is an amenable number.

741728 is an abundant number, since it is smaller than the sum of its proper divisors (831760).

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

741728 is a wasteful number, since it uses less digits than its factorization.

741728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806 (or 1798 counting only the distinct ones).

The product of its digits is 3136, while the sum is 29.

The square root of 741728 is about 861.2363206461. The cubic root of 741728 is about 90.5207668835.

The spelling of 741728 in words is "seven hundred forty-one thousand, seven hundred twenty-eight".