744633473 has 8 divisors (see below), whose sum is σ = 809745192. Its totient is φ = 681889536.

The previous prime is 744633433. The next prime is 744633479. The reversal of 744633473 is 374336447.

It can be written as a sum of positive squares in 4 ways, for example, as 137898049 + 606735424 = 11743^2 + 24632^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 744633473 - 2⁸ = 744633217 is a prime.

It is a super-2 number, since 2×744633473² = 1108958018224083458, which contains 22 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 744633473.

It is not an unprimeable number, because it can be changed into a prime (744633479) by changing a digit.

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, 591290 + ... + 592547.

It is an arithmetic number, because the mean of its divisors is an integer number (101218149).

Almost surely, 2^744633473 is an apocalyptic number.

It is an amenable number.

744633473 is a deficient number, since it is larger than the sum of its proper divisors (65111719).

744633473 is a wasteful number, since it uses less digits than its factorization.

744633473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183891.

The product of its digits is 508032, while the sum is 41.

The square root of 744633473 is about 27287.9730467472. The cubic root of 744633473 is about 906.3880789814.

The spelling of 744633473 in words is "seven hundred forty-four million, six hundred thirty-three thousand, four hundred seventy-three".