70195609 has 16 divisors (see below), whose sum is σ = 80601984. Its totient is φ = 61013040.

The previous prime is 70195607. The next prime is 70195613. The reversal of 70195609 is 90659107.

It is not a de Polignac number, because 70195609 - 2¹ = 70195607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70195607) 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 15 ways as a sum of consecutive naturals, for example, 29467 + ... + 31759.

It is an arithmetic number, because the mean of its divisors is an integer number (5037624).

Almost surely, 2^70195609 is an apocalyptic number.

It is an amenable number.

70195609 is a deficient number, since it is larger than the sum of its proper divisors (10406375).

70195609 is a wasteful number, since it uses less digits than its factorization.

70195609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349 (or 2327 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 70195609 is about 8378.2819837960. The cubic root of 70195609 is about 412.5120589067.

The spelling of 70195609 in words is "seventy million, one hundred ninety-five thousand, six hundred nine".