730810618650 has 384 divisors, whose sum is σ = 2327717683200. Its totient is φ = 165148243200.

The previous prime is 730810618621. The next prime is 730810618651. The reversal of 730810618650 is 56816018037.

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

It is a junction number, because it is equal to n+sod(n) for n = 730810618596 and 730810618605.

It is not an unprimeable number, because it can be changed into a prime (730810618651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 355971024 + ... + 355973076.

It is an arithmetic number, because the mean of its divisors is an integer number (6061764800).

Almost surely, 2^730810618650 is an apocalyptic number.

730810618650 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 730810618650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1163858841600).

730810618650 is an abundant number, since it is smaller than the sum of its proper divisors (1596907064550).

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

730810618650 is a wasteful number, since it uses less digits than its factorization.

730810618650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491 (or 2480 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 730810618650 in words is "seven hundred thirty billion, eight hundred ten million, six hundred eighteen thousand, six hundred fifty".