732736 has 21 divisors (see below), whose sum is σ = 1467739.
Its totient is φ = 362944.
The previous prime is 732731. The next prime is 732749. The reversal of 732736 is 637237.
The square root of 732736 is 856.
It is a perfect power (a square), and thus also a powerful number.
It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (732731) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6795 + ... + 6901.
2732736 is an apocalyptic number.
732736 is the 856-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 732736
732736 is an abundant number, since it is smaller than the sum of its proper divisors (735003).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
732736 is an equidigital number, since it uses as much as digits as its factorization.
732736 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 226 (or 109 counting only the distinct ones).
The product of its digits is 5292, while the sum is 28.
The cubic root of 732736 is about 90.1534829625.
It can be divided in two parts, 73 and 2736, that added together give a square (2809 = 532).
The spelling of 732736 in words is "seven hundred thirty-two thousand, seven hundred thirty-six".