873287730 has 320 divisors, whose sum is σ = 2860323840. Its totient is φ = 186955776.

The previous prime is 873287729. The next prime is 873287749. The reversal of 873287730 is 37782378.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 7728154 + ... + 7728266.

It is an arithmetic number, because the mean of its divisors is an integer number (8938512).

Almost surely, 2^873287730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 873287730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1430161920).

873287730 is an abundant number, since it is smaller than the sum of its proper divisors (1987036110).

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

873287730 is a wasteful number, since it uses less digits than its factorization.

873287730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 873287730 is about 29551.4420967911. The cubic root of 873287730 is about 955.8412878511.

The spelling of 873287730 in words is "eight hundred seventy-three million, two hundred eighty-seven thousand, seven hundred thirty".