73398261600 has 864 divisors, whose sum is σ = 296612578080. Its totient is φ = 16960389120.

The previous prime is 73398261593. The next prime is 73398261611. The reversal of 73398261600 is 616289337.

73398261600 is a `hidden beast` number, since 7 + 3 + 39 + 8 + 2 + 6 + 1 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 86046774 + ... + 86047626.

It is an arithmetic number, because the mean of its divisors is an integer number (343301595).

Almost surely, 2^73398261600 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 73398261600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148306289040).

73398261600 is an abundant number, since it is smaller than the sum of its proper divisors (223214316480).

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

73398261600 is a wasteful number, since it uses less digits than its factorization.

73398261600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 73398261600 in words is "seventy-three billion, three hundred ninety-eight million, two hundred sixty-one thousand, six hundred".