70689648242 has 8 divisors (see below), whose sum is σ = 108620679132. Its totient is φ = 34482755200.

The previous prime is 70689648209. The next prime is 70689648301. The reversal of 70689648242 is 24284698607.

It can be written as a sum of positive squares in 2 ways, for example, as 65408574001 + 5281074241 = 255751^2 + 72671^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431034359 + ... + 431034522.

Almost surely, 2^70689648242 is an apocalyptic number.

70689648242 is a deficient number, since it is larger than the sum of its proper divisors (37931030890).

70689648242 is a wasteful number, since it uses less digits than its factorization.

70689648242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862068924.

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 70689648242 in words is "seventy billion, six hundred eighty-nine million, six hundred forty-eight thousand, two hundred forty-two".