527745840 has 80 divisors (see below), whose sum is σ = 1659108096. Its totient is φ = 138745600.

The previous prime is 527745817. The next prime is 527745847. The reversal of 527745840 is 48547725.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 527745792 and 527745801.

It is not an unprimeable number, because it can be changed into a prime (527745847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1555 + ... + 32525.

Almost surely, 2^527745840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 527745840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829554048).

527745840 is an abundant number, since it is smaller than the sum of its proper divisors (1131362256).

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

527745840 is a wasteful number, since it uses less digits than its factorization.

527745840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31058 (or 31052 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 42.

The square root of 527745840 is about 22972.7194733231. The cubic root of 527745840 is about 808.1182962439.

The spelling of 527745840 in words is "five hundred twenty-seven million, seven hundred forty-five thousand, eight hundred forty".