70889105 has 32 divisors (see below), whose sum is σ = 102518784. Its totient is φ = 46005696.

The previous prime is 70889101. The next prime is 70889141. The reversal of 70889105 is 50198807.

It is a cyclic number.

It is not a de Polignac number, because 70889105 - 2² = 70889101 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70889101) 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 31 ways as a sum of consecutive naturals, for example, 85724 + ... + 86546.

It is an arithmetic number, because the mean of its divisors is an integer number (3203712).

Almost surely, 2^70889105 is an apocalyptic number.

It is an amenable number.

70889105 is a deficient number, since it is larger than the sum of its proper divisors (31629679).

70889105 is a wasteful number, since it uses less digits than its factorization.

70889105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 70889105 is about 8419.5667940815. The cubic root of 70889105 is about 413.8660776348.

The spelling of 70889105 in words is "seventy million, eight hundred eighty-nine thousand, one hundred five".