70509127338 has 96 divisors (see below), whose sum is σ = 174079738560. Its totient is φ = 20446525440.

The previous prime is 70509127327. The next prime is 70509127379. The reversal of 70509127338 is 83372190507.

It is a happy number.

70509127338 is a `hidden beast` number, since 70 + 509 + 1 + 2 + 73 + 3 + 8 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70509127293 and 70509127302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 816993 + ... + 899163.

It is an arithmetic number, because the mean of its divisors is an integer number (1813330610).

Almost surely, 2^70509127338 is an apocalyptic number.

70509127338 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 70509127338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87039869280).

70509127338 is an abundant number, since it is smaller than the sum of its proper divisors (103570611222).

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

70509127338 is a wasteful number, since it uses less digits than its factorization.

70509127338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82404 (or 82401 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 70509127338 in words is "seventy billion, five hundred nine million, one hundred twenty-seven thousand, three hundred thirty-eight".