612078 has 8 divisors (see below), whose sum is σ = 1224168. Its totient is φ = 204024.

The previous prime is 612071. The next prime is 612083. The reversal of 612078 is 870216.

It is a sphenic number, since it is the product of 3 distinct primes.

612078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612071) by changing a digit.

612078 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, 51001 + ... + 51012.

It is an arithmetic number, because the mean of its divisors is an integer number (153021).

2⁶¹²⁰⁷⁸ is an apocalyptic number.

612078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

612078 is a wasteful number, since it uses less digits than its factorization.

612078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102018.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 612078 is about 782.3541397602. The cubic root of 612078 is about 84.9054542758.

The spelling of 612078 in words is "six hundred twelve thousand, seventy-eight".