527481720 has 160 divisors (see below), whose sum is σ = 1798679520. Its totient is φ = 138620160.

The previous prime is 527481677. The next prime is 527481727. The reversal of 527481720 is 27184725.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (527481727) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 228894 + ... + 231186.

It is an arithmetic number, because the mean of its divisors is an integer number (11241747).

Almost surely, 2^527481720 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 527481720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899339760).

527481720 is an abundant number, since it is smaller than the sum of its proper divisors (1271197800).

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

527481720 is a wasteful number, since it uses less digits than its factorization.

527481720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387 (or 2374 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 527481720 is about 22966.9701963494. The cubic root of 527481720 is about 807.9834612502.

The spelling of 527481720 in words is "five hundred twenty-seven million, four hundred eighty-one thousand, seven hundred twenty".