770972272 has 120 divisors (see below), whose sum is σ = 1856763600. Its totient is φ = 308302848.

The previous prime is 770972249. The next prime is 770972273. The reversal of 770972272 is 272279077.

770972272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770972273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1087054 + ... + 1087762.

It is an arithmetic number, because the mean of its divisors is an integer number (15473030).

Almost surely, 2^770972272 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 770972272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (928381800).

770972272 is an abundant number, since it is smaller than the sum of its proper divisors (1085791328).

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

770972272 is a wasteful number, since it uses less digits than its factorization.

770972272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 172872, while the sum is 43.

The square root of 770972272 is about 27766.3874495765. The cubic root of 770972272 is about 916.9512628760.

The spelling of 770972272 in words is "seven hundred seventy million, nine hundred seventy-two thousand, two hundred seventy-two".