73383494400 has 432 divisors, whose sum is σ = 270113128320. Its totient is φ = 19494604800.

The previous prime is 73383494383. The next prime is 73383494413. The reversal of 73383494400 is 449438337.

It is a tau number, because it is divible by the number of its divisors (432).

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 47 ways as a sum of consecutive naturals, for example, 57196159 + ... + 57197441.

Almost surely, 2^73383494400 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 73383494400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135056564160).

73383494400 is an abundant number, since it is smaller than the sum of its proper divisors (196729633920).

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

73383494400 is a wasteful number, since it uses less digits than its factorization.

73383494400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 73383494400 in words is "seventy-three billion, three hundred eighty-three million, four hundred ninety-four thousand, four hundred".