70798139424 has 288 divisors, whose sum is σ = 214264866816. Its totient is φ = 22985544960.

The previous prime is 70798139413. The next prime is 70798139443. The reversal of 70798139424 is 42493189707.

70798139424 is a `hidden beast` number, since 70 + 79 + 81 + 3 + 9 + 424 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112199589 + ... + 112200219.

It is an arithmetic number, because the mean of its divisors is an integer number (743975232).

Almost surely, 2^70798139424 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 70798139424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107132433408).

70798139424 is an abundant number, since it is smaller than the sum of its proper divisors (143466727392).

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

70798139424 is a wasteful number, since it uses less digits than its factorization.

70798139424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 70798139424 in words is "seventy billion, seven hundred ninety-eight million, one hundred thirty-nine thousand, four hundred twenty-four".