770616 has 96 divisors (see below), whose sum is σ = 2620800. Its totient is φ = 198720.

The previous prime is 770611. The next prime is 770639. The reversal of 770616 is 616077.

It is a hoax number, since the sum of its digits (27) 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 770616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770611) by changing a digit.

770616 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5475 + ... + 5613.

It is an arithmetic number, because the mean of its divisors is an integer number (27300).

2⁷⁷⁰⁶¹⁶ 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 770616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1310400).

770616 is an abundant number, since it is smaller than the sum of its proper divisors (1850184).

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

770616 is a wasteful number, since it uses less digits than its factorization.

770616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 770616 is about 877.8473671431. The cubic root of 770616 is about 91.6809997789.

The spelling of 770616 in words is "seven hundred seventy thousand, six hundred sixteen".