70136418 has 16 divisors (see below), whose sum is σ = 153025056. Its totient is φ = 21253440.

The previous prime is 70136401. The next prime is 70136447. The reversal of 70136418 is 81463107.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531271 + ... + 531402.

It is an arithmetic number, because the mean of its divisors is an integer number (9564066).

Almost surely, 2^70136418 is an apocalyptic number.

70136418 is an abundant number, since it is smaller than the sum of its proper divisors (82888638).

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

70136418 is a wasteful number, since it uses less digits than its factorization.

70136418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062689.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 70136418 is about 8374.7488320546. The cubic root of 70136418 is about 412.3960788719.

It can be divided in two parts, 7013 and 6418, that added together give a palindrome (13431).

The spelling of 70136418 in words is "seventy million, one hundred thirty-six thousand, four hundred eighteen".