70701139656 has 192 divisors, whose sum is σ = 240292241280. Its totient is φ = 19012008960.

The previous prime is 70701139637. The next prime is 70701139679. The reversal of 70701139656 is 65693110707.

It is a super-2 number, since 2×70701139656² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78526 + ... + 384146.

It is an arithmetic number, because the mean of its divisors is an integer number (1251522090).

Almost surely, 2^70701139656 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 70701139656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120146120640).

70701139656 is an abundant number, since it is smaller than the sum of its proper divisors (169591101624).

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

70701139656 is a wasteful number, since it uses less digits than its factorization.

70701139656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305666 (or 305650 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The spelling of 70701139656 in words is "seventy billion, seven hundred one million, one hundred thirty-nine thousand, six hundred fifty-six".