70702433568 has 144 divisors (see below), whose sum is σ = 220076523576. Its totient is φ = 21397893120.

The previous prime is 70702433561. The next prime is 70702433609. The reversal of 70702433568 is 86533420707.

It can be written as a sum of positive squares in 4 ways, for example, as 52318327824 + 18384105744 = 228732^2 + 135588^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×70702433568² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70702433561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73596 + ... + 383172.

Almost surely, 2^70702433568 is an apocalyptic number.

70702433568 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70702433568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110038261788).

70702433568 is an abundant number, since it is smaller than the sum of its proper divisors (149374090008).

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

70702433568 is a wasteful number, since it uses less digits than its factorization.

70702433568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309667 (or 309656 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 70702433568 in words is "seventy billion, seven hundred two million, four hundred thirty-three thousand, five hundred sixty-eight".