68747084436 has 24 divisors (see below), whose sum is σ = 160455263584. Its totient is φ = 22909209120.

The previous prime is 68747084423. The next prime is 68747084467. The reversal of 68747084436 is 63448074786.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766450 + ... + 851433.

Almost surely, 2^68747084436 is an apocalyptic number.

It is an amenable number.

68747084436 is an abundant number, since it is smaller than the sum of its proper divisors (91708179148).

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

68747084436 is a wasteful number, since it uses less digits than its factorization.

68747084436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621431 (or 1621429 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 57.

The spelling of 68747084436 in words is "sixty-eight billion, seven hundred forty-seven million, eighty-four thousand, four hundred thirty-six".