8734686735420 has 72 divisors (see below), whose sum is σ = 26768363045424. Its totient is φ = 2305236907008.

The previous prime is 8734686735407. The next prime is 8734686735617. The reversal of 8734686735420 is 245376864378.

8734686735420 is a `hidden beast` number, since 8 + 7 + 3 + 4 + 6 + 86 + 7 + 3 + 542 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250116754 + ... + 250151673.

Almost surely, 2^{8734686735420} is an apocalyptic number.

It is an amenable number.

8734686735420 is an abundant number, since it is smaller than the sum of its proper divisors (18033676310004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8734686735420 is a wasteful number, since it uses less digits than its factorization.

8734686735420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500268539 (or 500268534 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 63.

The spelling of 8734686735420 in words is "eight trillion, seven hundred thirty-four billion, six hundred eighty-six million, seven hundred thirty-five thousand, four hundred twenty".