70698658680 has 256 divisors, whose sum is σ = 255088310400. Its totient is φ = 17313730560.

The previous prime is 70698658669. The next prime is 70698658739. The reversal of 70698658680 is 8685689607.

It is a super-2 number, since 2×70698658680² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2753100 + ... + 2778660.

Almost surely, 2^70698658680 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 70698658680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127544155200).

70698658680 is an abundant number, since it is smaller than the sum of its proper divisors (184389651720).

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

70698658680 is a wasteful number, since it uses less digits than its factorization.

70698658680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25791 (or 25781 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 70698658680 in words is "seventy billion, six hundred ninety-eight million, six hundred fifty-eight thousand, six hundred eighty".