70971358100 has 72 divisors (see below), whose sum is σ = 157699885728. Its totient is φ = 27708912000.

The previous prime is 70971358091. The next prime is 70971358109. The reversal of 70971358100 is 185317907.

It is an interprime number because it is at equal distance from previous prime (70971358091) and next prime (70971358109).

It is a super-2 number, since 2×70971358100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70971358109) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 7163150 + ... + 7173050.

Almost surely, 2^70971358100 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 70971358100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78849942864).

70971358100 is an abundant number, since it is smaller than the sum of its proper divisors (86728527628).

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

70971358100 is a wasteful number, since it uses less digits than its factorization.

70971358100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11625 (or 11618 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 41.

The spelling of 70971358100 in words is "seventy billion, nine hundred seventy-one million, three hundred fifty-eight thousand, one hundred".