744523338 has 16 divisors (see below), whose sum is σ = 1603588896. Its totient is φ = 229084080.

The previous prime is 744523327. The next prime is 744523343. The reversal of 744523338 is 833325447.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 744523296 and 744523305.

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 7 ways as a sum of consecutive naturals, for example, 4772508 + ... + 4772663.

It is an arithmetic number, because the mean of its divisors is an integer number (100224306).

Almost surely, 2^744523338 is an apocalyptic number.

744523338 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

744523338 is an abundant number, since it is smaller than the sum of its proper divisors (859065558).

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

744523338 is a wasteful number, since it uses less digits than its factorization.

744523338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9545189.

The product of its digits is 241920, while the sum is 39.

The square root of 744523338 is about 27285.9549585496. The cubic root of 744523338 is about 906.3433903408.

The spelling of 744523338 in words is "seven hundred forty-four million, five hundred twenty-three thousand, three hundred thirty-eight".