70018522 has 16 divisors (see below), whose sum is σ = 123904512. Its totient is φ = 29039760.

The previous prime is 70018517. The next prime is 70018523. The reversal of 70018522 is 22581007.

It is not an unprimeable number, because it can be changed into a prime (70018523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80233 + ... + 81100.

It is an arithmetic number, because the mean of its divisors is an integer number (7744032).

Almost surely, 2^70018522 is an apocalyptic number.

70018522 is a deficient number, since it is larger than the sum of its proper divisors (53885990).

70018522 is a wasteful number, since it uses less digits than its factorization.

70018522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161373.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 70018522 is about 8367.7070933440. The cubic root of 70018522 is about 412.1648765116.

Adding to 70018522 its reverse (22581007), we get a palindrome (92599529).

The spelling of 70018522 in words is "seventy million, eighteen thousand, five hundred twenty-two".