770613312 has 112 divisors (see below), whose sum is σ = 2337206400. Its totient is φ = 219512832.

The previous prime is 770613301. The next prime is 770613313. The reversal of 770613312 is 213316077.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 770613312.

It is not an unprimeable number, because it can be changed into a prime (770613313) 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 15 ways as a sum of consecutive naturals, for example, 602818 + ... + 604094.

Almost surely, 2^770613312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770613312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1168603200).

770613312 is an abundant number, since it is smaller than the sum of its proper divisors (1566593088).

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

770613312 is a wasteful number, since it uses less digits than its factorization.

770613312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748 (or 1738 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 770613312 is about 27759.9227664632. The cubic root of 770613312 is about 916.8089318075.

Adding to 770613312 its reverse (213316077), we get a palindrome (983929389).

The spelling of 770613312 in words is "seven hundred seventy million, six hundred thirteen thousand, three hundred twelve".