744578241 has 16 divisors (see below), whose sum is σ = 1130112000. Its totient is φ = 431639120.

The previous prime is 744578231. The next prime is 744578323. The reversal of 744578241 is 142875447.

It is not a de Polignac number, because 744578241 - 2⁷ = 744578113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 744578193 and 744578202.

It is not an unprimeable number, because it can be changed into a prime (744578231) 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 15 ways as a sum of consecutive naturals, for example, 489741 + ... + 491258.

It is an arithmetic number, because the mean of its divisors is an integer number (70632000).

Almost surely, 2^744578241 is an apocalyptic number.

It is an amenable number.

744578241 is a deficient number, since it is larger than the sum of its proper divisors (385533759).

744578241 is a wasteful number, since it uses less digits than its factorization.

744578241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981036.

The product of its digits is 250880, while the sum is 42.

The square root of 744578241 is about 27286.9610070451. The cubic root of 744578241 is about 906.3656684640.

The spelling of 744578241 in words is "seven hundred forty-four million, five hundred seventy-eight thousand, two hundred forty-one".