70426365856 has 96 divisors (see below), whose sum is σ = 174947931648. Its totient is φ = 27108176640.

The previous prime is 70426365847. The next prime is 70426365901. The reversal of 70426365856 is 65856362407.

It is a super-2 number, since 2×70426365856² (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 15 ways as a sum of consecutive naturals, for example, 32331 + ... + 376693.

It is an arithmetic number, because the mean of its divisors is an integer number (1822374288).

Almost surely, 2^70426365856 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 70426365856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87473965824).

70426365856 is an abundant number, since it is smaller than the sum of its proper divisors (104521565792).

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

70426365856 is a wasteful number, since it uses less digits than its factorization.

70426365856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344474 (or 344466 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 70426365856 in words is "seventy billion, four hundred twenty-six million, three hundred sixty-five thousand, eight hundred fifty-six".