70000308793 has 4 divisors (see below), whose sum is σ = 70021326928. Its totient is φ = 69979290660.

The previous prime is 70000308773. The next prime is 70000308797. The reversal of 70000308793 is 39780300007.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70000308793 is a prime.

It is a super-2 number, since 2×70000308793² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70000308797) 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, 10504071 + ... + 10510732.

It is an arithmetic number, because the mean of its divisors is an integer number (17505331732).

Almost surely, 2^70000308793 is an apocalyptic number.

It is an amenable number.

70000308793 is a deficient number, since it is larger than the sum of its proper divisors (21018135).

70000308793 is a wasteful number, since it uses less digits than its factorization.

70000308793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21018134.

The product of its (nonzero) digits is 31752, while the sum is 37.

The spelling of 70000308793 in words is "seventy billion, three hundred eight thousand, seven hundred ninety-three".