70042930973 has 4 divisors (see below), whose sum is σ = 70685526780. Its totient is φ = 69400335168.

The previous prime is 70042930963. The next prime is 70042931017. The reversal of 70042930973 is 37903924007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37903924007 = 44497 ⋅851831.

It can be written as a sum of positive squares in 2 ways, for example, as 18750646489 + 51292284484 = 136933^2 + 226478^2 .

It is a cyclic number.

It is not a de Polignac number, because 70042930973 - 2⁴ = 70042930957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70042930933) 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, 321297740 + ... + 321297957.

It is an arithmetic number, because the mean of its divisors is an integer number (17671381695).

Almost surely, 2^70042930973 is an apocalyptic number.

It is an amenable number.

70042930973 is a deficient number, since it is larger than the sum of its proper divisors (642595807).

70042930973 is a wasteful number, since it uses less digits than its factorization.

70042930973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642595806.

The product of its (nonzero) digits is 285768, while the sum is 44.

The spelling of 70042930973 in words is "seventy billion, forty-two million, nine hundred thirty thousand, nine hundred seventy-three".