77340612 has 12 divisors (see below), whose sum is σ = 180461456. Its totient is φ = 25780200.

The previous prime is 77340611. The next prime is 77340643. The reversal of 77340612 is 21604377.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) 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 77340612.

It is not an unprimeable number, because it can be changed into a prime (77340611) 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 3 ways as a sum of consecutive naturals, for example, 3222514 + ... + 3222537.

Almost surely, 2^77340612 is an apocalyptic number.

It is an amenable number.

77340612 is an abundant number, since it is smaller than the sum of its proper divisors (103120844).

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

77340612 is a wasteful number, since it uses less digits than its factorization.

77340612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6445058 (or 6445056 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 77340612 is about 8794.3511414999. The cubic root of 77340612 is about 426.0584680269.

Adding to 77340612 its reverse (21604377), we get a palindrome (98944989).

The spelling of 77340612 in words is "seventy-seven million, three hundred forty thousand, six hundred twelve".