70973842697 has 4 divisors (see below), whose sum is σ = 70975068996. Its totient is φ = 70972616400.

The previous prime is 70973842663. The next prime is 70973842699. The reversal of 70973842697 is 79624837907.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79624837907 = 95203 ⋅836369.

It can be written as a sum of positive squares in 2 ways, for example, as 33455702281 + 37518140416 = 182909^2 + 193696^2 .

It is a cyclic number.

It is not a de Polignac number, because 70973842697 - 2¹² = 70973838601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70973842699) 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, 521798 + ... + 643599.

It is an arithmetic number, because the mean of its divisors is an integer number (17743767249).

Almost surely, 2^70973842697 is an apocalyptic number.

It is an amenable number.

70973842697 is a deficient number, since it is larger than the sum of its proper divisors (1226299).

70973842697 is a wasteful number, since it uses less digits than its factorization.

70973842697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226298.

The product of its (nonzero) digits is 32006016, while the sum is 62.

The spelling of 70973842697 in words is "seventy billion, nine hundred seventy-three million, eight hundred forty-two thousand, six hundred ninety-seven".