616712 has 16 divisors (see below), whose sum is σ = 1167360. Its totient is φ = 305424.

The previous prime is 616703. The next prime is 616717. The reversal of 616712 is 217616.

616712 = 89² + 90² + ... + 136².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616717) by changing a digit.

616712 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, 713 + ... + 1319.

It is an arithmetic number, because the mean of its divisors is an integer number (72960).

2⁶¹⁶⁷¹² is an apocalyptic number.

It is an amenable number.

616712 is a deficient number, since it is larger than the sum of its proper divisors (550648).

616712 is a wasteful number, since it uses less digits than its factorization.

616712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 736 counting only the distinct ones).

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

The square root of 616712 is about 785.3101298213. The cubic root of 616712 is about 85.1191868928.

The spelling of 616712 in words is "six hundred sixteen thousand, seven hundred twelve".