712242 has 12 divisors (see below), whose sum is σ = 1543230. Its totient is φ = 237408.

The previous prime is 712237. The next prime is 712279. The reversal of 712242 is 242217.

It can be written as a sum of positive squares in only one way, i.e., 576081 + 136161 = 759^2 + 369^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 39569 = 712242 / (7 + 1 + 2 + 2 + 4 + 2).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 19767 + ... + 19802.

2⁷¹²²⁴² is an apocalyptic number.

712242 is an abundant number, since it is smaller than the sum of its proper divisors (830988).

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

712242 is a wasteful number, since it uses less digits than its factorization.

712242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39577 (or 39574 counting only the distinct ones).

The product of its digits is 224, while the sum is 18.

The square root of 712242 is about 843.9443109590. The cubic root of 712242 is about 89.3050175102.

Adding to 712242 its reverse (242217), we get a palindrome (954459).

The spelling of 712242 in words is "seven hundred twelve thousand, two hundred forty-two", and thus it is an iban number.