70744404409 has 16 divisors (see below), whose sum is σ = 83761326720. Its totient is φ = 58461258240.

The previous prime is 70744404383. The next prime is 70744404421. The reversal of 70744404409 is 90440444707.

It is not a de Polignac number, because 70744404409 - 2²¹ = 70742307257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70744404449) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 116472 + ... + 393769.

It is an arithmetic number, because the mean of its divisors is an integer number (5235082920).

Almost surely, 2^70744404409 is an apocalyptic number.

It is an amenable number.

70744404409 is a deficient number, since it is larger than the sum of its proper divisors (13016922311).

70744404409 is a wasteful number, since it uses less digits than its factorization.

70744404409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510960.

The product of its (nonzero) digits is 451584, while the sum is 43.

The spelling of 70744404409 in words is "seventy billion, seven hundred forty-four million, four hundred four thousand, four hundred nine".