70207713 has 12 divisors (see below), whose sum is σ = 101664420. Its totient is φ = 46688256.

The previous prime is 70207693. The next prime is 70207721. The reversal of 70207713 is 31770207.

It can be written as a sum of positive squares in 2 ways, for example, as 28643904 + 41563809 = 5352^2 + 6447^2 .

It is not a de Polignac number, because 70207713 - 2¹⁷ = 70076641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70207723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5856 + ... + 13217.

It is an arithmetic number, because the mean of its divisors is an integer number (8472035).

Almost surely, 2^70207713 is an apocalyptic number.

It is an amenable number.

70207713 is a deficient number, since it is larger than the sum of its proper divisors (31456707).

70207713 is a wasteful number, since it uses less digits than its factorization.

70207713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19488 (or 19485 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 27.

The square root of 70207713 is about 8379.0042964543. The cubic root of 70207713 is about 412.5357676974.

The spelling of 70207713 in words is "seventy million, two hundred seven thousand, seven hundred thirteen".