612678 has 16 divisors (see below), whose sum is σ = 1336896. Its totient is φ = 185640.

The previous prime is 612671. The next prime is 612679. The reversal of 612678 is 876216.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4576 + ... + 4707.

It is an arithmetic number, because the mean of its divisors is an integer number (83556).

2⁶¹²⁶⁷⁸ is an apocalyptic number.

612678 is an abundant number, since it is smaller than the sum of its proper divisors (724218).

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

612678 is a wasteful number, since it uses less digits than its factorization.

612678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9299.

The product of its digits is 4032, while the sum is 30.

The square root of 612678 is about 782.7375038926. The cubic root of 612678 is about 84.9331885600.

The spelling of 612678 in words is "six hundred twelve thousand, six hundred seventy-eight".