70012643 has 8 divisors (see below), whose sum is σ = 71898288. Its totient is φ = 68138784.

The previous prime is 70012639. The next prime is 70012673. The reversal of 70012643 is 34621007.

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 70012643 - 2² = 70012639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70012673) 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, 9821 + ... + 15377.

It is an arithmetic number, because the mean of its divisors is an integer number (8987286).

Almost surely, 2^70012643 is an apocalyptic number.

70012643 is a deficient number, since it is larger than the sum of its proper divisors (1885645).

70012643 is a wasteful number, since it uses less digits than its factorization.

70012643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5893.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 70012643 is about 8367.3557949928. The cubic root of 70012643 is about 412.1533405872.

The spelling of 70012643 in words is "seventy million, twelve thousand, six hundred forty-three".