70071830434 has 4 divisors (see below), whose sum is σ = 105107745654. Its totient is φ = 35035915216.

The previous prime is 70071830431. The next prime is 70071830441. The reversal of 70071830434 is 43403817007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43403817007 = 97 ⋅447462031.

It can be written as a sum of positive squares in only one way, i.e., 47112004809 + 22959825625 = 217053^2 + 151525^2 .

It is a super-2 number, since 2×70071830434² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70071830393 and 70071830402.

It is not an unprimeable number, because it can be changed into a prime (70071830431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17517957607 + ... + 17517957610.

Almost surely, 2^70071830434 is an apocalyptic number.

70071830434 is a deficient number, since it is larger than the sum of its proper divisors (35035915220).

70071830434 is a wasteful number, since it uses less digits than its factorization.

70071830434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35035915219.

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 70071830434 in words is "seventy billion, seventy-one million, eight hundred thirty thousand, four hundred thirty-four".