612798042 has 8 divisors (see below), whose sum is σ = 1225596096. Its totient is φ = 204266012.

The previous prime is 612797981. The next prime is 612798071. The reversal of 612798042 is 240897216.

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

612798042 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51066498 + ... + 51066509.

It is an arithmetic number, because the mean of its divisors is an integer number (153199512).

Almost surely, 2^612798042 is an apocalyptic number.

612798042 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.

612798042 is a wasteful number, since it uses less digits than its factorization.

612798042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102133012.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 612798042 is about 24754.7579669041. The cubic root of 612798042 is about 849.3873518425.

The spelling of 612798042 in words is "six hundred twelve million, seven hundred ninety-eight thousand, forty-two".