520827372 has 72 divisors (see below), whose sum is σ = 1421019600. Its totient is φ = 159891840.

The previous prime is 520827371. The next prime is 520827379. The reversal of 520827372 is 273728025.

It is a happy number.

It is a super-2 number, since 2×520827372² = 542522302848852768, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (520827371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266254 + ... + 268202.

Almost surely, 2^520827372 is an apocalyptic number.

520827372 is a gapful number since it is divisible by the number (52) 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 520827372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710509800).

520827372 is an abundant number, since it is smaller than the sum of its proper divisors (900192228).

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

520827372 is a wasteful number, since it uses less digits than its factorization.

520827372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543 (or 2538 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 520827372 is about 22821.6426227386. The cubic root of 520827372 is about 804.5714175042.

The spelling of 520827372 in words is "five hundred twenty million, eight hundred twenty-seven thousand, three hundred seventy-two".