744885380 has 12 divisors (see below), whose sum is σ = 1564259340. Its totient is φ = 297954144.

The previous prime is 744885377. The next prime is 744885439. The reversal of 744885380 is 83588447.

It can be written as a sum of positive squares in 2 ways, for example, as 506430016 + 238455364 = 22504^2 + 15442^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18622115 + ... + 18622154.

It is an arithmetic number, because the mean of its divisors is an integer number (130354945).

Almost surely, 2^744885380 is an apocalyptic number.

It is an amenable number.

744885380 is an abundant number, since it is smaller than the sum of its proper divisors (819373960).

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

744885380 is a wasteful number, since it uses less digits than its factorization.

744885380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37244278 (or 37244276 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 47.

The square root of 744885380 is about 27292.5883712044. The cubic root of 744885380 is about 906.4902768043.

The spelling of 744885380 in words is "seven hundred forty-four million, eight hundred eighty-five thousand, three hundred eighty".