67836934620 has 1296 divisors, whose sum is σ = 290449635840. Its totient is φ = 12969994752.

The previous prime is 67836934609. The next prime is 67836934687. The reversal of 67836934620 is 2643963876.

67836934620 is a `hidden beast` number, since 6 + 7 + 8 + 3 + 6 + 9 + 3 + 4 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 2949431929 + ... + 2949431951.

Almost surely, 2^67836934620 is an apocalyptic number.

67836934620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67836934620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145224817920).

67836934620 is an abundant number, since it is smaller than the sum of its proper divisors (222612701220).

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

67836934620 is a wasteful number, since it uses less digits than its factorization.

67836934620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 67836934620 in words is "sixty-seven billion, eight hundred thirty-six million, nine hundred thirty-four thousand, six hundred twenty".