612343242 has 48 divisors (see below), whose sum is σ = 1525410432. Its totient is φ = 173901600.

The previous prime is 612343219. The next prime is 612343243. The reversal of 612343242 is 242343216.

612343242 is a `hidden beast` number, since 612 + 3 + 4 + 3 + 2 + 42 = 666.

It is not an unprimeable number, because it can be changed into a prime (612343243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6492 + ... + 35592.

It is an arithmetic number, because the mean of its divisors is an integer number (31779384).

Almost surely, 2^612343242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612343242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762705216).

612343242 is an abundant number, since it is smaller than the sum of its proper divisors (913067190).

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

612343242 is a wasteful number, since it uses less digits than its factorization.

612343242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29283 (or 29280 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 612343242 is about 24745.5701490186. The cubic root of 612343242 is about 849.1771700493.

Adding to 612343242 its reverse (242343216), we get a palindrome (854686458).

The spelling of 612343242 in words is "six hundred twelve million, three hundred forty-three thousand, two hundred forty-two".