7071664734 has 48 divisors (see below), whose sum is σ = 15392585520. Its totient is φ = 2346382080.

The previous prime is 7071664711. The next prime is 7071664741. The reversal of 7071664734 is 4374661707.

It is a super-2 number, since 2×7071664734² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7071664734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6664564 + ... + 6665624.

It is an arithmetic number, because the mean of its divisors is an integer number (320678865).

Almost surely, 2^7071664734 is an apocalyptic number.

7071664734 is an abundant number, since it is smaller than the sum of its proper divisors (8320920786).

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

7071664734 is a wasteful number, since it uses less digits than its factorization.

7071664734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425 (or 2422 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The square root of 7071664734 is about 84093.1907707158. The cubic root of 7071664734 is about 1919.4371120120.

The spelling of 7071664734 in words is "seven billion, seventy-one million, six hundred sixty-four thousand, seven hundred thirty-four".