67320737898400 has 576 divisors, whose sum is σ = 194929347723264. Its totient is φ = 22216716288000.

The previous prime is 67320737898341. The next prime is 67320737898409. The reversal of 67320737898400 is 489873702376.

It is not an unprimeable number, because it can be changed into a prime (67320737898409) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 32350185360 + ... + 32350187440.

It is an arithmetic number, because the mean of its divisors is an integer number (338419006464).

Almost surely, 2^{67320737898400} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67320737898400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97464673861632).

67320737898400 is an abundant number, since it is smaller than the sum of its proper divisors (127608609824864).

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

67320737898400 is a wasteful number, since it uses less digits than its factorization.

67320737898400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053 (or 3040 counting only the distinct ones).

The product of its (nonzero) digits is 85349376, while the sum is 64.

The spelling of 67320737898400 in words is "sixty-seven trillion, three hundred twenty billion, seven hundred thirty-seven million, eight hundred ninety-eight thousand, four hundred".