70734037668 has 96 divisors (see below), whose sum is σ = 192397685760. Its totient is φ = 19807770240.

The previous prime is 70734037657. The next prime is 70734037679. The reversal of 70734037668 is 86673043707.

It is an interprime number because it is at equal distance from previous prime (70734037657) and next prime (70734037679).

It is a self number, because there is not a number n which added to its sum of digits gives 70734037668.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1425703 + ... + 1474481.

It is an arithmetic number, because the mean of its divisors is an integer number (2004142560).

Almost surely, 2^70734037668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70734037668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96198842880).

70734037668 is an abundant number, since it is smaller than the sum of its proper divisors (121663648092).

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

70734037668 is a wasteful number, since it uses less digits than its factorization.

70734037668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49137 (or 49135 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 51.

The spelling of 70734037668 in words is "seventy billion, seven hundred thirty-four million, thirty-seven thousand, six hundred sixty-eight".