70239105436 has 24 divisors (see below), whose sum is σ = 123677830640. Its totient is φ = 34902835200.

The previous prime is 70239105421. The next prime is 70239105439. The reversal of 70239105436 is 63450193207.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70239105439) 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 7 ways as a sum of consecutive naturals, for example, 1112476 + ... + 1173916.

Almost surely, 2^70239105436 is an apocalyptic number.

It is an amenable number.

70239105436 is a deficient number, since it is larger than the sum of its proper divisors (53438725204).

70239105436 is a wasteful number, since it uses less digits than its factorization.

70239105436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63205 (or 63203 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 70239105436 in words is "seventy billion, two hundred thirty-nine million, one hundred five thousand, four hundred thirty-six".