70851713 has 2 divisors, whose sum is σ = 70851714. Its totient is φ = 70851712.

The previous prime is 70851679. The next prime is 70851721. The reversal of 70851713 is 31715807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64128064 + 6723649 = 8008^2 + 2593^2 .

It is a cyclic number.

It is not a de Polignac number, because 70851713 - 2⁸ = 70851457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70851713.

It is not a weakly prime, because it can be changed into another prime (70851773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35425856 + 35425857.

It is an arithmetic number, because the mean of its divisors is an integer number (35425857).

Almost surely, 2^70851713 is an apocalyptic number.

It is an amenable number.

70851713 is a deficient number, since it is larger than the sum of its proper divisors (1).

70851713 is an equidigital number, since it uses as much as digits as its factorization.

70851713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 70851713 is about 8417.3459593865. The cubic root of 70851713 is about 413.7932972826.

The spelling of 70851713 in words is "seventy million, eight hundred fifty-one thousand, seven hundred thirteen".