42734786076 has 72 divisors (see below), whose sum is σ = 110129370624. Its totient is φ = 13969216800.

The previous prime is 42734786069. The next prime is 42734786089. The reversal of 42734786076 is 67068743724.

42734786076 is a `hidden beast` number, since 4 + 27 + 3 + 4 + 7 + 8 + 607 + 6 = 666.

It is a super-2 number, since 2×42734786076² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 498151 + ... + 577601.

It is an arithmetic number, because the mean of its divisors is an integer number (1529574592).

Almost surely, 2^42734786076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42734786076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55064685312).

42734786076 is an abundant number, since it is smaller than the sum of its proper divisors (67394584548).

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

42734786076 is a wasteful number, since it uses less digits than its factorization.

42734786076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79751 (or 79746 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 54.

The spelling of 42734786076 in words is "forty-two billion, seven hundred thirty-four million, seven hundred eighty-six thousand, seventy-six".