527640 has 32 divisors (see below), whose sum is σ = 1583280. Its totient is φ = 140672.

The previous prime is 527633. The next prime is 527671. The reversal of 527640 is 46725.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 5⁵ + 2¹⁹ + 6³ + 7 + 4 + 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 527640.

It is a congruent number.

It is an unprimeable number.

527640 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 7 ways as a sum of consecutive naturals, for example, 2079 + ... + 2318.

2⁵²⁷⁶⁴⁰ is an apocalyptic number.

It is an amenable number.

527640 is an abundant number, since it is smaller than the sum of its proper divisors (1055640).

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

527640 is a wasteful number, since it uses less digits than its factorization.

527640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4411 (or 4407 counting only the distinct ones).

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

The square root of 527640 is about 726.3883258974. The cubic root of 527640 is about 80.8064269632.

The spelling of 527640 in words is "five hundred twenty-seven thousand, six hundred forty".