262740 has 48 divisors (see below), whose sum is σ = 766080. Its totient is φ = 67200.

The previous prime is 262739. The next prime is 262741. The reversal of 262740 is 47262.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (262739) and next prime (262741).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (262741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1665 + ... + 1815.

It is an arithmetic number, because the mean of its divisors is an integer number (15960).

2²⁶²⁷⁴⁰ is an apocalyptic number.

262740 is a gapful number since it is divisible by the number (20) 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 262740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383040).

262740 is an abundant number, since it is smaller than the sum of its proper divisors (503340).

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

262740 is a wasteful number, since it uses less digits than its factorization.

262740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 262740 is about 512.5817008049. The cubic root of 262740 is about 64.0484658927.

The spelling of 262740 in words is "two hundred sixty-two thousand, seven hundred forty".