70159943 has 8 divisors (see below), whose sum is σ = 81497760. Its totient is φ = 59150880.

The previous prime is 70159933. The next prime is 70159963. The reversal of 70159943 is 34995107.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70159943 - 2⁶ = 70159879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70159897 and 70159906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70159933) 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 7 ways as a sum of consecutive naturals, for example, 81728 + ... + 82581.

It is an arithmetic number, because the mean of its divisors is an integer number (10187220).

Almost surely, 2^70159943 is an apocalyptic number.

70159943 is a deficient number, since it is larger than the sum of its proper divisors (11337817).

70159943 is a wasteful number, since it uses less digits than its factorization.

70159943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164377.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 70159943 is about 8376.1532340329. The cubic root of 70159943 is about 412.4421820402.

The spelling of 70159943 in words is "seventy million, one hundred fifty-nine thousand, nine hundred forty-three".