526740 has 24 divisors (see below), whose sum is σ = 1475040. Its totient is φ = 140448.

The previous prime is 526739. The next prime is 526741. The reversal of 526740 is 47625.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (526739) and next prime (526741).

It is a d-powerful number, because it can be written as 5³ + 2¹⁹ + 7 + 6⁴ + 4⁵ + 0 .

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 526740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526741) 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, 4330 + ... + 4449.

It is an arithmetic number, because the mean of its divisors is an integer number (61460).

2⁵²⁶⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

526740 is an abundant number, since it is smaller than the sum of its proper divisors (948300).

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

526740 is a wasteful number, since it uses less digits than its factorization.

526740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8791 (or 8789 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 526740 is about 725.7685581506. The cubic root of 526740 is about 80.7604567479.

The spelling of 526740 in words is "five hundred twenty-six thousand, seven hundred forty".