70889117 has 4 divisors (see below), whose sum is σ = 76342140. Its totient is φ = 65436096.

The previous prime is 70889101. The next prime is 70889141. The reversal of 70889117 is 71198807.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48288601 + 22600516 = 6949^2 + 4754^2 .

It is a cyclic number.

It is not a de Polignac number, because 70889117 - 2⁴ = 70889101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70889317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2726492 + ... + 2726517.

It is an arithmetic number, because the mean of its divisors is an integer number (19085535).

Almost surely, 2^70889117 is an apocalyptic number.

It is an amenable number.

70889117 is a deficient number, since it is larger than the sum of its proper divisors (5453023).

70889117 is a wasteful number, since it uses less digits than its factorization.

70889117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5453022.

The product of its (nonzero) digits is 28224, while the sum is 41.

The square root of 70889117 is about 8419.5675067072. The cubic root of 70889117 is about 413.8661009877.

The spelling of 70889117 in words is "seventy million, eight hundred eighty-nine thousand, one hundred seventeen".