712445 has 8 divisors (see below), whose sum is σ = 865080. Its totient is φ = 563200.

The previous prime is 712433. The next prime is 712447. The reversal of 712445 is 544217.

It can be written as a sum of positive squares in 4 ways, for example, as 178084 + 534361 = 422^2 + 731^2 .

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

It is not a de Polignac number, because 712445 - 2⁴ = 712429 is a prime.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 712445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356 + ... + 1245.

It is an arithmetic number, because the mean of its divisors is an integer number (108135).

2⁷¹²⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

712445 is a deficient number, since it is larger than the sum of its proper divisors (152635).

712445 is a wasteful number, since it uses less digits than its factorization.

712445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695.

The product of its digits is 1120, while the sum is 23.

The square root of 712445 is about 844.0645709897. The cubic root of 712445 is about 89.3135011420.

The spelling of 712445 in words is "seven hundred twelve thousand, four hundred forty-five".