732728 has 8 divisors (see below), whose sum is σ = 1373880. Its totient is φ = 366360.

The previous prime is 732713. The next prime is 732731. The reversal of 732728 is 827237.

732728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 732728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45788 + ... + 45803.

It is an arithmetic number, because the mean of its divisors is an integer number (171735).

2⁷³²⁷²⁸ is an apocalyptic number.

It is an amenable number.

732728 is a deficient number, since it is larger than the sum of its proper divisors (641152).

732728 is a wasteful number, since it uses less digits than its factorization.

732728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91597 (or 91593 counting only the distinct ones).

The product of its digits is 4704, while the sum is 29.

The square root of 732728 is about 855.9953270900. The cubic root of 732728 is about 90.1531548632.

The spelling of 732728 in words is "seven hundred thirty-two thousand, seven hundred twenty-eight".