712722 has 8 divisors (see below), whose sum is σ = 1425456. Its totient is φ = 237572.

The previous prime is 712717. The next prime is 712739. The reversal of 712722 is 227217.

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

712722 is an admirable number.

It is an Ulam number.

It is an unprimeable number.

712722 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59388 + ... + 59399.

It is an arithmetic number, because the mean of its divisors is an integer number (178182).

2⁷¹²⁷²² is an apocalyptic number.

712722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

712722 is a wasteful number, since it uses less digits than its factorization.

712722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118792.

The product of its digits is 392, while the sum is 21.

The square root of 712722 is about 844.2286420159. The cubic root of 712722 is about 89.3250747297.

Adding to 712722 its reverse (227217), we get a palindrome (939939).

The spelling of 712722 in words is "seven hundred twelve thousand, seven hundred twenty-two", and thus it is an iban number.