70671109 has 8 divisors (see below), whose sum is σ = 71851520. Its totient is φ = 69498000.

The previous prime is 70671071. The next prime is 70671113. The reversal of 70671109 is 90117607.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70671109 - 2⁹ = 70670597 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 (70671119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19759 + ... + 23059.

It is an arithmetic number, because the mean of its divisors is an integer number (8981440).

Almost surely, 2^70671109 is an apocalyptic number.

70671109 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

It is an amenable number.

70671109 is a deficient number, since it is larger than the sum of its proper divisors (1180411).

70671109 is a wasteful number, since it uses less digits than its factorization.

70671109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 70671109 is about 8406.6110294220. The cubic root of 70671109 is about 413.4414059378.

The spelling of 70671109 in words is "seventy million, six hundred seventy-one thousand, one hundred nine".