734728 has 8 divisors (see below), whose sum is σ = 1377630. Its totient is φ = 367360.

The previous prime is 734717. The next prime is 734729. The reversal of 734728 is 827437.

It can be written as a sum of positive squares in only one way, i.e., 521284 + 213444 = 722^2 + 462^2 .

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 734728.

It is not an unprimeable number, because it can be changed into a prime (734729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45913 + ... + 45928.

2⁷³⁴⁷²⁸ is an apocalyptic number.

It is an amenable number.

734728 is a deficient number, since it is larger than the sum of its proper divisors (642902).

734728 is a wasteful number, since it uses less digits than its factorization.

734728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91847 (or 91843 counting only the distinct ones).

The product of its digits is 9408, while the sum is 31.

The square root of 734728 is about 857.1627616737. The cubic root of 734728 is about 90.2351054678.

The spelling of 734728 in words is "seven hundred thirty-four thousand, seven hundred twenty-eight".