612770742 has 48 divisors (see below), whose sum is σ = 1354505568. Its totient is φ = 200154240.

The previous prime is 612770713. The next prime is 612770747. The reversal of 612770742 is 247077216.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 612770697 and 612770706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612770747) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 342783 + ... + 344565.

It is an arithmetic number, because the mean of its divisors is an integer number (28218866).

Almost surely, 2^612770742 is an apocalyptic number.

612770742 is an abundant number, since it is smaller than the sum of its proper divisors (741734826).

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

612770742 is a wasteful number, since it uses less digits than its factorization.

612770742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165 (or 2162 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 612770742 is about 24754.2065516146. The cubic root of 612770742 is about 849.3747383236.

The spelling of 612770742 in words is "six hundred twelve million, seven hundred seventy thousand, seven hundred forty-two".