87270 has 16 divisors (see below), whose sum is σ = 209520. Its totient is φ = 23264.
The previous prime is 87257. The next prime is 87277. The reversal of 87270 is 7278.
It is an alternating number because its digits alternate between even and odd.
It is a self number, because there is not a number n which added to its sum of digits gives 87270.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87277) 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, 1425 + ... + 1484.
It is an arithmetic number, because the mean of its divisors is an integer number (13095).
287270 is an apocalyptic number.
87270 is an abundant number, since it is smaller than the sum of its proper divisors (122250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104760).
87270 is a wasteful number, since it uses less digits than its factorization.
87270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2919.
The product of its (nonzero) digits is 784, while the sum is 24.
The square root of 87270 is about 295.4149623834. The cubic root of 87270 is about 44.3562673031.
The spelling of 87270 in words is "eighty-seven thousand, two hundred seventy".
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