770731616 has 24 divisors (see below), whose sum is σ = 1518285384. Its totient is φ = 385135360.

The previous prime is 770731607. The next prime is 770731627. The reversal of 770731616 is 616137077.

It is a happy number.

770731616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 770731616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55556 + ... + 68028.

It is an arithmetic number, because the mean of its divisors is an integer number (63261891).

Almost surely, 2^770731616 is an apocalyptic number.

It is an amenable number.

770731616 is a deficient number, since it is larger than the sum of its proper divisors (747553768).

770731616 is a wasteful number, since it uses less digits than its factorization.

770731616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14414 (or 14406 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 770731616 is about 27762.0535263514. The cubic root of 770731616 is about 916.8558453556.

The spelling of 770731616 in words is "seven hundred seventy million, seven hundred thirty-one thousand, six hundred sixteen".