731006 has 8 divisors (see below), whose sum is σ = 1154280. Its totient is φ = 346248.

The previous prime is 730999. The next prime is 731033. The reversal of 731006 is 600137.

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

It is a plaindrome in base 9.

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 731006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9581 + ... + 9656.

It is an arithmetic number, because the mean of its divisors is an integer number (144285).

2⁷³¹⁰⁰⁶ is an apocalyptic number.

731006 is a deficient number, since it is larger than the sum of its proper divisors (423274).

731006 is a wasteful number, since it uses less digits than its factorization.

731006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19258.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 731006 is about 854.9888888167. The cubic root of 731006 is about 90.0824758365.

It can be divided in two parts, 7 and 31006, that added together give a palindrome (31013).

The spelling of 731006 in words is "seven hundred thirty-one thousand, six".