70781300018 has 64 divisors (see below), whose sum is σ = 126690480000. Its totient is φ = 29236085760.

The previous prime is 70781299999. The next prime is 70781300027. The reversal of 70781300018 is 81000318707.

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 31 ways as a sum of consecutive naturals, for example, 4808033 + ... + 4822731.

It is an arithmetic number, because the mean of its divisors is an integer number (1979538750).

Almost surely, 2^70781300018 is an apocalyptic number.

70781300018 is a deficient number, since it is larger than the sum of its proper divisors (55909179982).

70781300018 is a wasteful number, since it uses less digits than its factorization.

70781300018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14987.

The product of its (nonzero) digits is 9408, while the sum is 35.

The spelling of 70781300018 in words is "seventy billion, seven hundred eighty-one million, three hundred thousand, eighteen".