70024209 has 16 divisors (see below), whose sum is σ = 95912640. Its totient is φ = 45425600.

The previous prime is 70024181. The next prime is 70024243. The reversal of 70024209 is 90242007.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70024209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70024909) 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, 15919 + ... + 19835.

It is an arithmetic number, because the mean of its divisors is an integer number (5994540).

Almost surely, 2^70024209 is an apocalyptic number.

It is an amenable number.

70024209 is a deficient number, since it is larger than the sum of its proper divisors (25888431).

70024209 is a wasteful number, since it uses less digits than its factorization.

70024209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 70024209 is about 8368.0469047443. The cubic root of 70024209 is about 412.1760350743.

It can be divided in two parts, 7002 and 4209, that added together give a palindrome (11211).

The spelling of 70024209 in words is "seventy million, twenty-four thousand, two hundred nine".