73143705600 has 504 divisors, whose sum is σ = 299482550640. Its totient is φ = 16715612160.

The previous prime is 73143705581. The next prime is 73143705611. The reversal of 73143705600 is 650734137.

73143705600 is a `hidden beast` number, since 7 + 3 + 1 + 43 + 7 + 0 + 5 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (504).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12899566 + ... + 12905234.

It is an arithmetic number, because the mean of its divisors is an integer number (594211410).

Almost surely, 2^73143705600 is an apocalyptic number.

73143705600 is a gapful number since it is divisible by the number (70) 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 73143705600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149741275320).

73143705600 is an abundant number, since it is smaller than the sum of its proper divisors (226338845040).

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

73143705600 is a wasteful number, since it uses less digits than its factorization.

73143705600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718 (or 5686 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The spelling of 73143705600 in words is "seventy-three billion, one hundred forty-three million, seven hundred five thousand, six hundred".