70859418 has 16 divisors (see below), whose sum is σ = 161964480. Its totient is φ = 20245536.

The previous prime is 70859381. The next prime is 70859419. The reversal of 70859418 is 81495807.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1687129 = 70859418 / (7 + 0 + 8 + 5 + 9 + 4 + 1 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 70859418.

It is not an unprimeable number, because it can be changed into a prime (70859419) 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, 843523 + ... + 843606.

It is an arithmetic number, because the mean of its divisors is an integer number (10122780).

Almost surely, 2^70859418 is an apocalyptic number.

70859418 is an abundant number, since it is smaller than the sum of its proper divisors (91105062).

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

70859418 is a wasteful number, since it uses less digits than its factorization.

70859418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687141.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 70859418 is about 8417.8036327774. The cubic root of 70859418 is about 413.8082965049.

The spelling of 70859418 in words is "seventy million, eight hundred fifty-nine thousand, four hundred eighteen".