870726272 has 64 divisors (see below), whose sum is σ = 1949391360. Its totient is φ = 384384000.

The previous prime is 870726271. The next prime is 870726287. The reversal of 870726272 is 272627078.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (870726271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26897 + ... + 49647.

It is an arithmetic number, because the mean of its divisors is an integer number (30459240).

Almost surely, 2^870726272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870726272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974695680).

870726272 is an abundant number, since it is smaller than the sum of its proper divisors (1078665088).

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

870726272 is a wasteful number, since it uses less digits than its factorization.

870726272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22801 (or 22789 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 870726272 is about 29508.0713026114. The cubic root of 870726272 is about 954.9058401541.

The spelling of 870726272 in words is "eight hundred seventy million, seven hundred twenty-six thousand, two hundred seventy-two".