731012 has 12 divisors (see below), whose sum is σ = 1290240. Its totient is φ = 362376.

The previous prime is 730999. The next prime is 731033. The reversal of 731012 is 210137.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 731012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212 + ... + 1227.

It is an arithmetic number, because the mean of its divisors is an integer number (107520).

2⁷³¹⁰¹² is an apocalyptic number.

It is an amenable number.

731012 is a deficient number, since it is larger than the sum of its proper divisors (559228).

731012 is a wasteful number, since it uses less digits than its factorization.

731012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570 (or 1568 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 731012 is about 854.9923976270. The cubic root of 731012 is about 90.0827222975.

Adding to 731012 its reverse (210137), we get a palindrome (941149).

The spelling of 731012 in words is "seven hundred thirty-one thousand, twelve".