732506 has 8 divisors (see below), whose sum is σ = 1125684. Its totient is φ = 357280.

The previous prime is 732497. The next prime is 732509. The reversal of 732506 is 605237.

It can be written as a sum of positive squares in 2 ways, for example, as 616225 + 116281 = 785^2 + 341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×732506³ = 1179111333649830648, which contains 333 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 732506.

It is not an unprimeable number, because it can be changed into a prime (732509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4385 + ... + 4548.

2⁷³²⁵⁰⁶ is an apocalyptic number.

732506 is a deficient number, since it is larger than the sum of its proper divisors (393178).

732506 is a wasteful number, since it uses less digits than its factorization.

732506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8976.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 732506 is about 855.8656436614. The cubic root of 732506 is about 90.1440491551.

The spelling of 732506 in words is "seven hundred thirty-two thousand, five hundred six".