70947 has 6 divisors (see below), whose sum is σ = 102492. Its totient is φ = 47292.

The previous prime is 70937. The next prime is 70949. The reversal of 70947 is 74907.

It is not a de Polignac number, because 70947 - 2¹¹ = 68899 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 70947.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 70947.

It is not an unprimeable number, because it can be changed into a prime (70949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3933 + ... + 3950.

It is an arithmetic number, because the mean of its divisors is an integer number (17082).

2⁷⁰⁹⁴⁷ is an apocalyptic number.

70947 is a deficient number, since it is larger than the sum of its proper divisors (31545).

70947 is a wasteful number, since it uses less digits than its factorization.

70947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7889 (or 7886 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 70947 is about 266.3587805949. The cubic root of 70947 is about 41.3978714862.

The spelling of 70947 in words is "seventy thousand, nine hundred forty-seven".