70041009 has 8 divisors (see below), whose sum is σ = 93547872. Its totient is φ = 46614080.

The previous prime is 70041007. The next prime is 70041017. The reversal of 70041009 is 90014007.

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 70041009 - 2¹ = 70041007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70041001) 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, 17907 + ... + 21464.

It is an arithmetic number, because the mean of its divisors is an integer number (11693484).

Almost surely, 2^70041009 is an apocalyptic number.

It is an amenable number.

70041009 is a deficient number, since it is larger than the sum of its proper divisors (23506863).

70041009 is a wasteful number, since it uses less digits than its factorization.

70041009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39967.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 70041009 is about 8369.0506630083. The cubic root of 70041009 is about 412.2089951214.

The spelling of 70041009 in words is "seventy million, forty-one thousand, nine".