612768812 has 12 divisors (see below), whose sum is σ = 1074455760. Its totient is φ = 305781456.

The previous prime is 612768809. The next prime is 612768823. The reversal of 612768812 is 218867216.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 612768812.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148448 + ... + 152519.

It is an arithmetic number, because the mean of its divisors is an integer number (89537980).

Almost surely, 2^612768812 is an apocalyptic number.

It is an amenable number.

612768812 is a deficient number, since it is larger than the sum of its proper divisors (461686948).

612768812 is a wasteful number, since it uses less digits than its factorization.

612768812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301480 (or 301478 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 612768812 is about 24754.1675683106. The cubic root of 612768812 is about 849.3738465845.

The spelling of 612768812 in words is "six hundred twelve million, seven hundred sixty-eight thousand, eight hundred twelve".