70435605743 has 4 divisors (see below), whose sum is σ = 73498023408. Its totient is φ = 67373188080.

The previous prime is 70435605719. The next prime is 70435605761. The reversal of 70435605743 is 34750653407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34750653407 = 193 ⋅180055199.

It is a cyclic number.

It is not a de Polignac number, because 70435605743 - 2¹⁰ = 70435604719 is a prime.

It is a super-2 number, since 2×70435605743² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70435605694 and 70435605703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70435605343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531208798 + ... + 1531208843.

It is an arithmetic number, because the mean of its divisors is an integer number (18374505852).

Almost surely, 2^70435605743 is an apocalyptic number.

70435605743 is a deficient number, since it is larger than the sum of its proper divisors (3062417665).

70435605743 is a wasteful number, since it uses less digits than its factorization.

70435605743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062417664.

The product of its (nonzero) digits is 1058400, while the sum is 44.

The spelling of 70435605743 in words is "seventy billion, four hundred thirty-five million, six hundred five thousand, seven hundred forty-three".