731412 has 36 divisors (see below), whose sum is σ = 2018016. Its totient is φ = 221520.

The previous prime is 731389. The next prime is 731413. The reversal of 731412 is 214137.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 731412.

It is not an unprimeable number, because it can be changed into a prime (731413) by changing a digit.

731412 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 528 + ... + 1319.

It is an arithmetic number, because the mean of its divisors is an integer number (56056).

2⁷³¹⁴¹² is an apocalyptic number.

It is an amenable number.

731412 is an abundant number, since it is smaller than the sum of its proper divisors (1286604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

731412 is a wasteful number, since it uses less digits than its factorization.

731412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868 (or 1863 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 731412 is about 855.2262858449. The cubic root of 731412 is about 90.0991499889.

Adding to 731412 its reverse (214137), we get a palindrome (945549).

It can be divided in two parts, 73 and 1412, that added together give a triangular number (1485 = T₅₄).

The spelling of 731412 in words is "seven hundred thirty-one thousand, four hundred twelve".