70710913 has 16 divisors (see below), whose sum is σ = 91611520. Its totient is φ = 53001216.

The previous prime is 70710911. The next prime is 70710917. The reversal of 70710913 is 31901707.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 70710913 - 2¹ = 70710911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70710911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18720 + ... + 22177.

It is an arithmetic number, because the mean of its divisors is an integer number (5725720).

Almost surely, 2^70710913 is an apocalyptic number.

It is an amenable number.

70710913 is a deficient number, since it is larger than the sum of its proper divisors (20900607).

70710913 is a wasteful number, since it uses less digits than its factorization.

70710913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40936.

The product of its (nonzero) digits is 1323, while the sum is 28.

The square root of 70710913 is about 8408.9781186539. The cubic root of 70710913 is about 413.5190120643.

The spelling of 70710913 in words is "seventy million, seven hundred ten thousand, nine hundred thirteen".