744691228 has 6 divisors (see below), whose sum is σ = 1303209656. Its totient is φ = 372345612.

The previous prime is 744691219. The next prime is 744691229. The reversal of 744691228 is 822196447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744691229) 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 as a sum of consecutive naturals, namely, 93086400 + ... + 93086407.

Almost surely, 2^744691228 is an apocalyptic number.

It is an amenable number.

744691228 is a deficient number, since it is larger than the sum of its proper divisors (558518428).

744691228 is a wasteful number, since it uses less digits than its factorization.

744691228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186172811 (or 186172809 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 744691228 is about 27289.0312763205. The cubic root of 744691228 is about 906.4115120269.

The spelling of 744691228 in words is "seven hundred forty-four million, six hundred ninety-one thousand, two hundred twenty-eight".