67381493760 has 736 divisors, whose sum is σ = 289910257920. Its totient is φ = 14495514624.

The previous prime is 67381493759. The next prime is 67381493791. The reversal of 67381493760 is 6739418376.

67381493760 is a `hidden beast` number, since 6 + 7 + 3 + 81 + 493 + 76 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 67381493697 and 67381493706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3963617272 + ... + 3963617288.

Almost surely, 2^67381493760 is an apocalyptic number.

67381493760 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 67381493760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144955128960).

67381493760 is an abundant number, since it is smaller than the sum of its proper divisors (222528764160).

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

67381493760 is an frugal number, since it uses more digits than its factorization.

67381493760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 67381493760 in words is "sixty-seven billion, three hundred eighty-one million, four hundred ninety-three thousand, seven hundred sixty".