870630720 has 224 divisors, whose sum is σ = 2876141568. Its totient is φ = 222953472.

The previous prime is 870630713. The next prime is 870630731. The reversal of 870630720 is 27036078.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4510944 + ... + 4511136.

Almost surely, 2^870630720 is an apocalyptic number.

870630720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870630720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1438070784).

870630720 is an abundant number, since it is smaller than the sum of its proper divisors (2005510848).

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

870630720 is a wasteful number, since it uses less digits than its factorization.

870630720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 870630720 is about 29506.4521757530. The cubic root of 870630720 is about 954.8709089694.

Adding to 870630720 its reverse (27036078), we get a palindrome (897666798).

The spelling of 870630720 in words is "eight hundred seventy million, six hundred thirty thousand, seven hundred twenty".