70845098688 has 672 divisors, whose sum is σ = 262066162176. Its totient is φ = 18477268992.

The previous prime is 70845098629. The next prime is 70845098729. The reversal of 70845098688 is 88689054807.

It is a tau number, because it is divible by the number of its divisors (672).

It is a super-2 number, since 2×70845098688² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 95 ways as a sum of consecutive naturals, for example, 159920995 + ... + 159921437.

It is an arithmetic number, because the mean of its divisors is an integer number (389979408).

Almost surely, 2^70845098688 is an apocalyptic number.

70845098688 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 70845098688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131033081088).

70845098688 is an abundant number, since it is smaller than the sum of its proper divisors (191221063488).

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

70845098688 is a wasteful number, since it uses less digits than its factorization.

70845098688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 63.

The spelling of 70845098688 in words is "seventy billion, eight hundred forty-five million, ninety-eight thousand, six hundred eighty-eight".