70009289 has 24 divisors (see below), whose sum is σ = 84268800. Its totient is φ = 57957984.

The previous prime is 70009279. The next prime is 70009301. The reversal of 70009289 is 98290007.

It is not a de Polignac number, because 70009289 - 2¹² = 70005193 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (70009229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 313832 + ... + 314054.

It is an arithmetic number, because the mean of its divisors is an integer number (3511200).

Almost surely, 2^70009289 is an apocalyptic number.

It is an amenable number.

70009289 is a deficient number, since it is larger than the sum of its proper divisors (14259511).

70009289 is a wasteful number, since it uses less digits than its factorization.

70009289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 70009289 is about 8367.1553708533. The cubic root of 70009289 is about 412.1467589932.

The spelling of 70009289 in words is "seventy million, nine thousand, two hundred eighty-nine".