744404774 has 16 divisors (see below), whose sum is σ = 1148999040. Its totient is φ = 361487040.

The previous prime is 744404723. The next prime is 744404779. The reversal of 744404774 is 477404447.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744404779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2069 + ... + 38640.

It is an arithmetic number, because the mean of its divisors is an integer number (71812440).

Almost surely, 2^744404774 is an apocalyptic number.

744404774 is a deficient number, since it is larger than the sum of its proper divisors (404594266).

744404774 is a wasteful number, since it uses less digits than its factorization.

744404774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40975.

The product of its (nonzero) digits is 351232, while the sum is 41.

The square root of 744404774 is about 27283.7822524664. The cubic root of 744404774 is about 906.2952766028.

The spelling of 744404774 in words is "seven hundred forty-four million, four hundred four thousand, seven hundred seventy-four".