712616 has 16 divisors (see below), whose sum is σ = 1345140. Its totient is φ = 353920.

The previous prime is 712603. The next prime is 712631. The reversal of 712616 is 616217.

It can be written as a sum of positive squares in 2 ways, for example, as 688900 + 23716 = 830^2 + 154^2 .

It is a junction number, because it is equal to n+sod(n) for n = 712591 and 712600.

It is an unprimeable number.

712616 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 3 ways as a sum of consecutive naturals, for example, 2090 + ... + 2406.

2⁷¹²⁶¹⁶ is an apocalyptic number.

It is an amenable number.

712616 is a deficient number, since it is larger than the sum of its proper divisors (632524).

712616 is a wasteful number, since it uses less digits than its factorization.

712616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 600 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 712616 is about 844.1658604800. The cubic root of 712616 is about 89.3206462020.

The spelling of 712616 in words is "seven hundred twelve thousand, six hundred sixteen".