70080732009 has 8 divisors (see below), whose sum is σ = 103823306720. Its totient is φ = 46720487988.

The previous prime is 70080731911. The next prime is 70080732013. The reversal of 70080732009 is 90023708007.

It is not a de Polignac number, because 70080732009 - 2¹⁶ = 70080666473 is a prime.

It is a super-2 number, since 2×70080732009² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70080732079) 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, 1297791307 + ... + 1297791360.

It is an arithmetic number, because the mean of its divisors is an integer number (12977913340).

Almost surely, 2^70080732009 is an apocalyptic number.

It is an amenable number.

70080732009 is a deficient number, since it is larger than the sum of its proper divisors (33742574711).

70080732009 is a wasteful number, since it uses less digits than its factorization.

70080732009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595582676 (or 2595582670 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 70080732009 in words is "seventy billion, eighty million, seven hundred thirty-two thousand, nine".