70512710250071 has 4 divisors (see below), whose sum is σ = 71050975213944. Its totient is φ = 69974445286200.

The previous prime is 70512710250041. The next prime is 70512710250097. The reversal of 70512710250071 is 17005201721507.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70512710250071 is a prime.

It is a super-3 number, since 3×70512710250071³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70512710250011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269132481740 + ... + 269132482001.

It is an arithmetic number, because the mean of its divisors is an integer number (17762743803486).

Almost surely, 2^{70512710250071} is an apocalyptic number.

70512710250071 is a deficient number, since it is larger than the sum of its proper divisors (538264963873).

70512710250071 is a wasteful number, since it uses less digits than its factorization.

70512710250071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538264963872.

The product of its (nonzero) digits is 34300, while the sum is 38.

Adding to 70512710250071 its reverse (17005201721507), we get a palindrome (87517911971578).

The spelling of 70512710250071 in words is "seventy trillion, five hundred twelve billion, seven hundred ten million, two hundred fifty thousand, seventy-one".