744376641 has 4 divisors (see below), whose sum is σ = 992502192. Its totient is φ = 496251092.

The previous prime is 744376621. The next prime is 744376651. The reversal of 744376641 is 146673447.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 146673447 = 3 ⋅48891149.

It is a cyclic number.

It is not a de Polignac number, because 744376641 - 2¹¹ = 744374593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 744376593 and 744376602.

It is not an unprimeable number, because it can be changed into a prime (744376601) 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 in 3 ways as a sum of consecutive naturals, for example, 124062771 + ... + 124062776.

It is an arithmetic number, because the mean of its divisors is an integer number (248125548).

Almost surely, 2^744376641 is an apocalyptic number.

It is an amenable number.

744376641 is a deficient number, since it is larger than the sum of its proper divisors (248125551).

744376641 is a wasteful number, since it uses less digits than its factorization.

744376641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248125550.

The product of its digits is 338688, while the sum is 42.

The square root of 744376641 is about 27283.2666849115. The cubic root of 744376641 is about 906.2838593707.

The spelling of 744376641 in words is "seven hundred forty-four million, three hundred seventy-six thousand, six hundred forty-one".