70564075671 has 4 divisors (see below), whose sum is σ = 94085434232. Its totient is φ = 47042717112.

The previous prime is 70564075619. The next prime is 70564075679. The reversal of 70564075671 is 17657046507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17657046507 = 3 ⋅5885682169.

It is not a de Polignac number, because 70564075671 - 2¹⁵ = 70564042903 is a prime.

It is a super-2 number, since 2×70564075671² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70564075671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70564075679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11760679276 + ... + 11760679281.

It is an arithmetic number, because the mean of its divisors is an integer number (23521358558).

Almost surely, 2^70564075671 is an apocalyptic number.

70564075671 is a deficient number, since it is larger than the sum of its proper divisors (23521358561).

70564075671 is a wasteful number, since it uses less digits than its factorization.

70564075671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23521358560.

The product of its (nonzero) digits is 1234800, while the sum is 48.

The spelling of 70564075671 in words is "seventy billion, five hundred sixty-four million, seventy-five thousand, six hundred seventy-one".