712560 has 40 divisors (see below), whose sum is σ = 2209680. Its totient is φ = 189952.

The previous prime is 712531. The next prime is 712561. The reversal of 712560 is 65217.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712561) by changing a digit.

712560 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 7 ways as a sum of consecutive naturals, for example, 1245 + ... + 1724.

It is an arithmetic number, because the mean of its divisors is an integer number (55242).

2⁷¹²⁵⁶⁰ is an apocalyptic number.

It is an amenable number.

712560 is an abundant number, since it is smaller than the sum of its proper divisors (1497120).

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

712560 is a wasteful number, since it uses less digits than its factorization.

712560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985 (or 2979 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 712560 is about 844.1326909912. The cubic root of 712560 is about 89.3183064252.

Adding to 712560 its reverse (65217), we get a palindrome (777777).

The spelling of 712560 in words is "seven hundred twelve thousand, five hundred sixty".