73199011830 has 256 divisors, whose sum is σ = 215366860800. Its totient is φ = 15551377920.

The previous prime is 73199011829. The next prime is 73199011841. The reversal of 73199011830 is 3811099137.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 57052369 + ... + 57053651.

It is an arithmetic number, because the mean of its divisors is an integer number (841276800).

Almost surely, 2^73199011830 is an apocalyptic number.

73199011830 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 73199011830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107683430400).

73199011830 is an abundant number, since it is smaller than the sum of its proper divisors (142167848970).

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

73199011830 is a wasteful number, since it uses less digits than its factorization.

73199011830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579.

The product of its (nonzero) digits is 40824, while the sum is 42.

The spelling of 73199011830 in words is "seventy-three billion, one hundred ninety-nine million, eleven thousand, eight hundred thirty".