70719312384 has 320 divisors, whose sum is σ = 253317715200. Its totient is φ = 19016515584.

The previous prime is 70719312343. The next prime is 70719312409. The reversal of 70719312384 is 48321391707.

70719312384 is a `hidden beast` number, since 70 + 7 + 193 + 12 + 384 = 666.

It is a super-2 number, since 2×70719312384² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1623562 + ... + 1666550.

It is an arithmetic number, because the mean of its divisors is an integer number (791617860).

Almost surely, 2^70719312384 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 70719312384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126658857600).

70719312384 is an abundant number, since it is smaller than the sum of its proper divisors (182598402816).

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

70719312384 is a wasteful number, since it uses less digits than its factorization.

70719312384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43040 (or 43018 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 70719312384 in words is "seventy billion, seven hundred nineteen million, three hundred twelve thousand, three hundred eighty-four".