769730724 has 72 divisors (see below), whose sum is σ = 2227575168. Its totient is φ = 219536640.

The previous prime is 769730723. The next prime is 769730729. The reversal of 769730724 is 427037967.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 769730724.

It is not an unprimeable number, because it can be changed into a prime (769730723) 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 23 ways as a sum of consecutive naturals, for example, 160684 + ... + 165404.

It is an arithmetic number, because the mean of its divisors is an integer number (30938544).

Almost surely, 2^769730724 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 769730724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1113787584).

769730724 is an abundant number, since it is smaller than the sum of its proper divisors (1457844444).

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

769730724 is a wasteful number, since it uses less digits than its factorization.

769730724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385 (or 5380 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The square root of 769730724 is about 27744.0214100263. The cubic root of 769730724 is about 916.4587891963.

The spelling of 769730724 in words is "seven hundred sixty-nine million, seven hundred thirty thousand, seven hundred twenty-four".