744915441 has 4 divisors (see below), whose sum is σ = 993220592. Its totient is φ = 496610292.

The previous prime is 744915407. The next prime is 744915449. The reversal of 744915441 is 144519447.

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.

It is not a de Polignac number, because 744915441 - 2⁶ = 744915377 is a prime.

It is a super-3 number, since 3×744915441³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 744915441.

It is not an unprimeable number, because it can be changed into a prime (744915449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124152571 + ... + 124152576.

It is an arithmetic number, because the mean of its divisors is an integer number (248305148).

Almost surely, 2^744915441 is an apocalyptic number.

It is an amenable number.

744915441 is a deficient number, since it is larger than the sum of its proper divisors (248305151).

744915441 is a wasteful number, since it uses less digits than its factorization.

744915441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248305150.

The product of its digits is 80640, while the sum is 39.

The square root of 744915441 is about 27293.1390829270. The cubic root of 744915441 is about 906.5024709120.

The spelling of 744915441 in words is "seven hundred forty-four million, nine hundred fifteen thousand, four hundred forty-one".