768749224 has 16 divisors (see below), whose sum is σ = 1442063700. Its totient is φ = 384198912.

The previous prime is 768749209. The next prime is 768749243. The reversal of 768749224 is 422947867.

It is a happy number.

768749224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 544288900 + 224460324 = 23330^2 + 14982^2 .

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, 2337 + ... + 39280.

Almost surely, 2^768749224 is an apocalyptic number.

It is an amenable number.

768749224 is a deficient number, since it is larger than the sum of its proper divisors (673314476).

768749224 is a wasteful number, since it uses less digits than its factorization.

768749224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43932 (or 43928 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 49.

The square root of 768749224 is about 27726.3272721073. The cubic root of 768749224 is about 916.0690914876.

The spelling of 768749224 in words is "seven hundred sixty-eight million, seven hundred forty-nine thousand, two hundred twenty-four".