70246913 has 6 divisors (see below), whose sum is σ = 77213682. Its totient is φ = 63860720.

The previous prime is 70246901. The next prime is 70246919. The reversal of 70246913 is 31964207.

It can be written as a sum of positive squares in only one way, i.e., 65011969 + 5234944 = 8063^2 + 2288^2 .

It is not a de Polignac number, because 70246913 - 2¹⁴ = 70230529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70246913.

It is not an unprimeable number, because it can be changed into a prime (70246919) 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 5 ways as a sum of consecutive naturals, for example, 290156 + ... + 290397.

It is an arithmetic number, because the mean of its divisors is an integer number (12868947).

Almost surely, 2^70246913 is an apocalyptic number.

It is an amenable number.

70246913 is a deficient number, since it is larger than the sum of its proper divisors (6966769).

70246913 is a wasteful number, since it uses less digits than its factorization.

70246913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580575 (or 580564 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 70246913 is about 8381.3431501162. The cubic root of 70246913 is about 412.6125322608.

The spelling of 70246913 in words is "seventy million, two hundred forty-six thousand, nine hundred thirteen".