70909642684 has 24 divisors (see below), whose sum is σ = 131407789968. Its totient is φ = 33365080320.

The previous prime is 70909642649. The next prime is 70909642691. The reversal of 70909642684 is 48624690907.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522747 + ... + 644269.

It is an arithmetic number, because the mean of its divisors is an integer number (5475324582).

Almost surely, 2^70909642684 is an apocalyptic number.

It is an amenable number.

70909642684 is a deficient number, since it is larger than the sum of its proper divisors (60498147284).

70909642684 is a wasteful number, since it uses less digits than its factorization.

70909642684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130125 (or 130123 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 70909642684 in words is "seventy billion, nine hundred nine million, six hundred forty-two thousand, six hundred eighty-four".