427505532 has 24 divisors (see below), whose sum is σ = 1001070672. Its totient is φ = 141993600.

The previous prime is 427505513. The next prime is 427505543. The reversal of 427505532 is 235505724.

It is a junction number, because it is equal to n+sod(n) for n = 427505493 and 427505502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60019 + ... + 66762.

It is an arithmetic number, because the mean of its divisors is an integer number (41711278).

Almost surely, 2^427505532 is an apocalyptic number.

It is an amenable number.

427505532 is an abundant number, since it is smaller than the sum of its proper divisors (573565140).

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

427505532 is a wasteful number, since it uses less digits than its factorization.

427505532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127069 (or 127067 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 427505532 is about 20676.2069055231. The cubic root of 427505532 is about 753.3218766803.

The spelling of 427505532 in words is "four hundred twenty-seven million, five hundred five thousand, five hundred thirty-two".