67474761223680 has 240 divisors, whose sum is σ = 233991211197744. Its totient is φ = 17969620746240.

The previous prime is 67474761223673. The next prime is 67474761223693. The reversal of 67474761223680 is 8632216747476.

67474761223680 is a `hidden beast` number, since 6 + 7 + 4 + 7 + 4 + 7 + 612 + 2 + 3 + 6 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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, 15609267 + ... + 19457613.

Almost surely, 2^{67474761223680} is an apocalyptic number.

67474761223680 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 67474761223680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116995605598872).

67474761223680 is an abundant number, since it is smaller than the sum of its proper divisors (166516449974064).

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

67474761223680 is a wasteful number, since it uses less digits than its factorization.

67474761223680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849137 (or 3849118 counting only the distinct ones).

The product of its (nonzero) digits is 113799168, while the sum is 63.

The spelling of 67474761223680 in words is "sixty-seven trillion, four hundred seventy-four billion, seven hundred sixty-one million, two hundred twenty-three thousand, six hundred eighty".