734528 has 28 divisors (see below), whose sum is σ = 1524000. Its totient is φ = 350592.

The previous prime is 734497. The next prime is 734537. The reversal of 734528 is 825437.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 734528.

It is a congruent number.

It is an unprimeable number.

734528 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223 + ... + 1721.

2⁷³⁴⁵²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 734528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762000).

734528 is an abundant number, since it is smaller than the sum of its proper divisors (789472).

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

734528 is a wasteful number, since it uses less digits than its factorization.

734528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 524 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 734528 is about 857.0460897758. The cubic root of 734528 is about 90.2269171047.

Subtracting 734528 from its reverse (825437), we obtain a palindrome (90909).

The spelling of 734528 in words is "seven hundred thirty-four thousand, five hundred twenty-eight".