70041609 has 24 divisors (see below), whose sum is σ = 112724352. Its totient is φ = 41543520.

The previous prime is 70041607. The next prime is 70041613. The reversal of 70041609 is 90614007.

It is not a de Polignac number, because 70041609 - 2¹ = 70041607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70041607) 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, 2874 + ... + 12179.

It is an arithmetic number, because the mean of its divisors is an integer number (4696848).

Almost surely, 2^70041609 is an apocalyptic number.

It is an amenable number.

70041609 is a deficient number, since it is larger than the sum of its proper divisors (42682743).

70041609 is a wasteful number, since it uses less digits than its factorization.

70041609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15117 (or 15114 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 70041609 is about 8369.0865092912. The cubic root of 70041609 is about 412.2101721685.

The spelling of 70041609 in words is "seventy million, forty-one thousand, six hundred nine".