70700700708 has 72 divisors (see below), whose sum is σ = 195200905536. Its totient is φ = 21398260800.

The previous prime is 70700700667. The next prime is 70700700727. The reversal of 70700700708 is 80700700707.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 216385 + ... + 433847.

It is an arithmetic number, because the mean of its divisors is an integer number (2711123688).

Almost surely, 2^70700700708 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 70700700708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97600452768).

70700700708 is an abundant number, since it is smaller than the sum of its proper divisors (124500204828).

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

70700700708 is a wasteful number, since it uses less digits than its factorization.

70700700708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218305 (or 218300 counting only the distinct ones).

The product of its (nonzero) digits is 19208, while the sum is 36.

Subtracting 70700700708 from its reverse (80700700707), we obtain a palindrome (9999999999).

The spelling of 70700700708 in words is "seventy billion, seven hundred million, seven hundred thousand, seven hundred eight".