70485220618 has 8 divisors (see below), whose sum is σ = 105729720480. Its totient is φ = 35241980460.

The previous prime is 70485220613. The next prime is 70485220661. The reversal of 70485220618 is 81602258407.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (70485220613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159748 + ... + 408031.

It is an arithmetic number, because the mean of its divisors is an integer number (13216215060).

Almost surely, 2^70485220618 is an apocalyptic number.

70485220618 is a deficient number, since it is larger than the sum of its proper divisors (35244499862).

70485220618 is a wasteful number, since it uses less digits than its factorization.

70485220618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629852.

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 70485220618 in words is "seventy billion, four hundred eighty-five million, two hundred twenty thousand, six hundred eighteen".