70670643434 has 8 divisors (see below), whose sum is σ = 106043077668. Its totient is φ = 35322950880.

The previous prime is 70670643427. The next prime is 70670643437. The reversal of 70670643434 is 43434607607.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68573278225 + 2097365209 = 261865^2 + 45797^2 .

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

It is not an unprimeable number, because it can be changed into a prime (70670643437) 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, 6178277 + ... + 6189704.

Almost surely, 2^70670643434 is an apocalyptic number.

70670643434 is a deficient number, since it is larger than the sum of its proper divisors (35372434234).

70670643434 is a wasteful number, since it uses less digits than its factorization.

70670643434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12370840.

The product of its (nonzero) digits is 1016064, while the sum is 44.

The spelling of 70670643434 in words is "seventy billion, six hundred seventy million, six hundred forty-three thousand, four hundred thirty-four".