70343440345 has 8 divisors (see below), whose sum is σ = 84600131400. Its totient is φ = 56149416960.

The previous prime is 70343440309. The next prime is 70343440357. The reversal of 70343440345 is 54304434307.

It can be written as a sum of positive squares in 4 ways, for example, as 10596437721 + 59747002624 = 102939^2 + 244432^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70343440345 - 2²³ = 70335051737 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15664446 + ... + 15668935.

It is an arithmetic number, because the mean of its divisors is an integer number (10575016425).

Almost surely, 2^70343440345 is an apocalyptic number.

It is an amenable number.

70343440345 is a deficient number, since it is larger than the sum of its proper divisors (14256691055).

70343440345 is a wasteful number, since it uses less digits than its factorization.

70343440345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31333835.

The product of its (nonzero) digits is 241920, while the sum is 37.

The spelling of 70343440345 in words is "seventy billion, three hundred forty-three million, four hundred forty thousand, three hundred forty-five".