73109598030 has 640 divisors, whose sum is σ = 251708497920. Its totient is φ = 14840340480.

The previous prime is 73109598019. The next prime is 73109598031. The reversal of 73109598030 is 3089590137.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73109598031) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 128487586 + ... + 128488154.

It is an arithmetic number, because the mean of its divisors is an integer number (393294528).

Almost surely, 2^73109598030 is an apocalyptic number.

73109598030 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 73109598030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125854248960).

73109598030 is an abundant number, since it is smaller than the sum of its proper divisors (178598899890).

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

73109598030 is a wasteful number, since it uses less digits than its factorization.

73109598030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 73109598030 in words is "seventy-three billion, one hundred nine million, five hundred ninety-eight thousand, thirty".