744440670434 has 8 divisors (see below), whose sum is σ = 1155166557660. Its totient is φ = 359385151216.

The previous prime is 744440670427. The next prime is 744440670473. The reversal of 744440670434 is 434076044447.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 678229661209 + 66211009225 = 823547^2 + 257315^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6417591929 + ... + 6417592044.

Almost surely, 2^744440670434 is an apocalyptic number.

744440670434 is a deficient number, since it is larger than the sum of its proper divisors (410725887226).

744440670434 is a wasteful number, since it uses less digits than its factorization.

744440670434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12835184004.

The product of its (nonzero) digits is 3612672, while the sum is 47.

The spelling of 744440670434 in words is "seven hundred forty-four billion, four hundred forty million, six hundred seventy thousand, four hundred thirty-four".