70523516840 has 64 divisors (see below), whose sum is σ = 181422236160. Its totient is φ = 24169351680.

The previous prime is 70523516837. The next prime is 70523516863. The reversal of 70523516840 is 4861532507.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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 15 ways as a sum of consecutive naturals, for example, 631889 + ... + 735071.

It is an arithmetic number, because the mean of its divisors is an integer number (2834722440).

Almost surely, 2^70523516840 is an apocalyptic number.

70523516840 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70523516840 is an abundant number, since it is smaller than the sum of its proper divisors (110898719320).

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

70523516840 is a wasteful number, since it uses less digits than its factorization.

70523516840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105642 (or 105638 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 70523516840 in words is "seventy billion, five hundred twenty-three million, five hundred sixteen thousand, eight hundred forty".