250770 has 32 divisors (see below), whose sum is σ = 649152. Its totient is φ = 61632.

The previous prime is 250753. The next prime is 250777. The reversal of 250770 is 77052.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 250770.

It is not an unprimeable number, because it can be changed into a prime (250777) by changing a digit.

250770 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69 + ... + 711.

It is an arithmetic number, because the mean of its divisors is an integer number (20286).

2²⁵⁰⁷⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324576).

250770 is an abundant number, since it is smaller than the sum of its proper divisors (398382).

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

250770 is a wasteful number, since it uses less digits than its factorization.

250770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666.

The product of its (nonzero) digits is 490, while the sum is 21.

The square root of 250770 is about 500.7694080113. The cubic root of 250770 is about 63.0606621547.

The spelling of 250770 in words is "two hundred fifty thousand, seven hundred seventy".