70908089 has 4 divisors (see below), whose sum is σ = 81037824. Its totient is φ = 60778356.

The previous prime is 70908083. The next prime is 70908113. The reversal of 70908089 is 98080907.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70908089 - 2²⁰ = 69859513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70908083) 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, 5064857 + ... + 5064870.

It is an arithmetic number, because the mean of its divisors is an integer number (20259456).

Almost surely, 2^70908089 is an apocalyptic number.

It is an amenable number.

70908089 is a deficient number, since it is larger than the sum of its proper divisors (10129735).

70908089 is a wasteful number, since it uses less digits than its factorization.

70908089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10129734.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 70908089 is about 8420.6940925318. The cubic root of 70908089 is about 413.9030185835.

The spelling of 70908089 in words is "seventy million, nine hundred eight thousand, eighty-nine".