834616720 has 160 divisors (see below), whose sum is σ = 2312994816. Its totient is φ = 274060800.

The previous prime is 834616697. The next prime is 834616721. The reversal of 834616720 is 27616438.

It is a self number, because there is not a number n which added to its sum of digits gives 834616720.

It is not an unprimeable number, because it can be changed into a prime (834616721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2273977 + ... + 2274343.

Almost surely, 2^834616720 is an apocalyptic number.

834616720 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 834616720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1156497408).

834616720 is an abundant number, since it is smaller than the sum of its proper divisors (1478378096).

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

834616720 is a wasteful number, since it uses less digits than its factorization.

834616720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 834616720 is about 28889.7338167038. The cubic root of 834616720 is about 941.5188663359.

The spelling of 834616720 in words is "eight hundred thirty-four million, six hundred sixteen thousand, seven hundred twenty".