70989703 has 2 divisors, whose sum is σ = 70989704. Its totient is φ = 70989702.

The previous prime is 70989697. The next prime is 70989713. The reversal of 70989703 is 30798907.

It is a weak prime.

It is an emirp because it is prime and its reverse (30798907) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70989703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70989703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70989713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35494851 + 35494852.

It is an arithmetic number, because the mean of its divisors is an integer number (35494852).

Almost surely, 2^70989703 is an apocalyptic number.

70989703 is a deficient number, since it is larger than the sum of its proper divisors (1).

70989703 is an equidigital number, since it uses as much as digits as its factorization.

70989703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 70989703 is about 8425.5387364845. The cubic root of 70989703 is about 414.0617561339.

The spelling of 70989703 in words is "seventy million, nine hundred eighty-nine thousand, seven hundred three".