732289 has 4 divisors (see below), whose sum is σ = 736560. Its totient is φ = 728020.

The previous prime is 732287. The next prime is 732293. The reversal of 732289 is 982237.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 982237 = 41 ⋅23957.

It is a cyclic number.

It is not a de Polignac number, because 732289 - 2¹ = 732287 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 732289.

It is not an unprimeable number, because it can be changed into a prime (732283) 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, 1867 + ... + 2224.

It is an arithmetic number, because the mean of its divisors is an integer number (184140).

2⁷³²²⁸⁹ is an apocalyptic number.

It is an amenable number.

732289 is a deficient number, since it is larger than the sum of its proper divisors (4271).

732289 is a wasteful number, since it uses less digits than its factorization.

732289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270.

The product of its digits is 6048, while the sum is 31.

The square root of 732289 is about 855.7388620368. The cubic root of 732289 is about 90.1351467522.

It can be divided in two parts, 73228 and 9, that added together give a palindrome (73237).

The spelling of 732289 in words is "seven hundred thirty-two thousand, two hundred eighty-nine".