744273696457 has 8 divisors (see below), whose sum is σ = 753781853736. Its totient is φ = 734816796672.

The previous prime is 744273696443. The next prime is 744273696493. The reversal of 744273696457 is 754696372447.

It is a happy number.

744273696457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 193300036281 + 550973660176 = 439659^2 + 742276^2 .

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 744273696457 - 2¹⁵ = 744273663689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744273696157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12785148 + ... + 12843229.

It is an arithmetic number, because the mean of its divisors is an integer number (94222731717).

Almost surely, 2^744273696457 is an apocalyptic number.

It is an amenable number.

744273696457 is a deficient number, since it is larger than the sum of its proper divisors (9508157279).

744273696457 is a wasteful number, since it uses less digits than its factorization.

744273696457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25628747.

The product of its digits is 213373440, while the sum is 64.

The spelling of 744273696457 in words is "seven hundred forty-four billion, two hundred seventy-three million, six hundred ninety-six thousand, four hundred fifty-seven".