70754404009 has 9 divisors (see below), whose sum is σ = 71031321381. Its totient is φ = 70478565120.

The previous prime is 70754404001. The next prime is 70754404013. The reversal of 70754404009 is 90040445707.

The square root of 70754404009 is 265997.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 17380467225 + 53373936784 = 131835^2 + 231028^2 .

It is not a de Polignac number, because 70754404009 - 2³ = 70754404001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70754404001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 122624329 + ... + 122624905.

Almost surely, 2^70754404009 is an apocalyptic number.

70754404009 is the 265997-th square number.

70754404009 is the 132999-th centered octagonal number.

It is an amenable number.

70754404009 is a deficient number, since it is larger than the sum of its proper divisors (276917372).

70754404009 is an frugal number, since it uses more digits than its factorization.

70754404009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 70754404009 in words is "seventy billion, seven hundred fifty-four million, four hundred four thousand, nine".