769731380 has 48 divisors (see below), whose sum is σ = 1765592640. Its totient is φ = 279552000.

The previous prime is 769731359. The next prime is 769731383. The reversal of 769731380 is 83137967.

769731380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769731383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229556 + ... + 232884.

It is an arithmetic number, because the mean of its divisors is an integer number (36783180).

Almost surely, 2^769731380 is an apocalyptic number.

It is an amenable number.

769731380 is an abundant number, since it is smaller than the sum of its proper divisors (995861260).

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

769731380 is a wasteful number, since it uses less digits than its factorization.

769731380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4400 (or 4398 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 769731380 is about 27744.0332323907. The cubic root of 769731380 is about 916.4590495457.

The spelling of 769731380 in words is "seven hundred sixty-nine million, seven hundred thirty-one thousand, three hundred eighty".