68612 has 12 divisors (see below), whose sum is σ = 127260. Its totient is φ = 32256.

The previous prime is 68611. The next prime is 68633. The reversal of 68612 is 21686.

It can be written as a sum of positive squares in 2 ways, for example, as 37636 + 30976 = 194^2 + 176^2 .

68612 is a modest number, since divided by 612 gives 68 as remainder.

It is not an unprimeable number, because it can be changed into a prime (68611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437 + ... + 572.

It is an arithmetic number, because the mean of its divisors is an integer number (10605).

2⁶⁸⁶¹² is an apocalyptic number.

It is an amenable number.

68612 is a deficient number, since it is larger than the sum of its proper divisors (58648).

68612 is a wasteful number, since it uses less digits than its factorization.

68612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1028 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 68612 is about 261.9389241789. The cubic root of 68612 is about 40.9386351491.

Adding to 68612 its sum of digits (23), we get a triangular number (68635 = T₃₇₀).

It can be divided in two parts, 68 and 612, that multiplied together give a triangular number (41616 = T₂₈₈).

The spelling of 68612 in words is "sixty-eight thousand, six hundred twelve".