7070717538 has 48 divisors (see below), whose sum is σ = 15751644480. Its totient is φ = 2290625568.

The previous prime is 7070717527. The next prime is 7070717539. The reversal of 7070717538 is 8357170707.

It is a junction number, because it is equal to n+sod(n) for n = 7070717493 and 7070717502.

It is not an unprimeable number, because it can be changed into a prime (7070717539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 638533 + ... + 649511.

It is an arithmetic number, because the mean of its divisors is an integer number (328159260).

Almost surely, 2^7070717538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7070717538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7875822240).

7070717538 is an abundant number, since it is smaller than the sum of its proper divisors (8680926942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7070717538 is a wasteful number, since it uses less digits than its factorization.

7070717538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11991 (or 11988 counting only the distinct ones).

The product of its (nonzero) digits is 288120, while the sum is 45.

The square root of 7070717538 is about 84087.5587587129. The cubic root of 7070717538 is about 1919.3514101581.

The spelling of 7070717538 in words is "seven billion, seventy million, seven hundred seventeen thousand, five hundred thirty-eight".