67794874560 has 280 divisors, whose sum is σ = 275610218400. Its totient is φ = 15495929856.

The previous prime is 67794874531. The next prime is 67794874561. The reversal of 67794874560 is 6547849776.

67794874560 is a `hidden beast` number, since 67 + 7 + 9 + 4 + 8 + 7 + 4 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (280).

It is a super-2 number, since 2×67794874560² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (67794874561) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 5385 + ... + 368264.

Almost surely, 2^67794874560 is an apocalyptic number.

67794874560 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 67794874560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137805109200).

67794874560 is an abundant number, since it is smaller than the sum of its proper divisors (207815343840).

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

67794874560 is a wasteful number, since it uses less digits than its factorization.

67794874560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373685 (or 373666 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 63.

The spelling of 67794874560 in words is "sixty-seven billion, seven hundred ninety-four million, eight hundred seventy-four thousand, five hundred sixty".