744706421204737 has 16 divisors (see below), whose sum is σ = 785601447365952. Its totient is φ = 705165031644480.

The previous prime is 744706421204729. The next prime is 744706421204747. The reversal of 744706421204737 is 737402124607447.

It is a cyclic number.

It is not a de Polignac number, because 744706421204737 - 2³ = 744706421204729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744706421204747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1809468814 + ... + 1809880327.

It is an arithmetic number, because the mean of its divisors is an integer number (49100090460372).

Almost surely, 2^{744706421204737} is an apocalyptic number.

It is an amenable number.

744706421204737 is a deficient number, since it is larger than the sum of its proper divisors (40895026161215).

744706421204737 is a wasteful number, since it uses less digits than its factorization.

744706421204737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619349328.

The product of its (nonzero) digits is 44255232, while the sum is 58.

The spelling of 744706421204737 in words is "seven hundred forty-four trillion, seven hundred six billion, four hundred twenty-one million, two hundred four thousand, seven hundred thirty-seven".