70035609 has 16 divisors (see below), whose sum is σ = 110401920. Its totient is φ = 38640000.

The previous prime is 70035601. The next prime is 70035611. The reversal of 70035609 is 90653007.

It is not a de Polignac number, because 70035609 - 2³ = 70035601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70035601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56892 + ... + 58109.

It is an arithmetic number, because the mean of its divisors is an integer number (6900120).

Almost surely, 2^70035609 is an apocalyptic number.

It is an amenable number.

70035609 is a deficient number, since it is larger than the sum of its proper divisors (40366311).

70035609 is a wasteful number, since it uses less digits than its factorization.

70035609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115040.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 70035609 is about 8368.7280395530. The cubic root of 70035609 is about 412.1984013954.

The spelling of 70035609 in words is "seventy million, thirty-five thousand, six hundred nine".