427716576 has 72 divisors (see below), whose sum is σ = 1390085424. Its totient is φ = 122204160.

The previous prime is 427716511. The next prime is 427716577. The reversal of 427716576 is 675617724.

427716576 is a `hidden beast` number, since 4 + 2 + 7 + 71 + 6 + 576 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427716577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104065 + ... + 108096.

It is an arithmetic number, because the mean of its divisors is an integer number (19306742).

Almost surely, 2^427716576 is an apocalyptic number.

It is an amenable number.

427716576 is an abundant number, since it is smaller than the sum of its proper divisors (962368848).

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

427716576 is a wasteful number, since it uses less digits than its factorization.

427716576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212184 (or 212173 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 427716576 is about 20681.3098231229. The cubic root of 427716576 is about 753.4458188642.

It can be divided in two parts, 427716 and 576, that multiplied together give a square (246364416 = 15696²).

The spelling of 427716576 in words is "four hundred twenty-seven million, seven hundred sixteen thousand, five hundred seventy-six".