427363872 has 96 divisors (see below), whose sum is σ = 1212418368. Its totient is φ = 131030016.

The previous prime is 427363847. The next prime is 427363877. The reversal of 427363872 is 278363724.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (427363877) 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, 552478 + ... + 553250.

It is an arithmetic number, because the mean of its divisors is an integer number (12629358).

Almost surely, 2^427363872 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 427363872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606209184).

427363872 is an abundant number, since it is smaller than the sum of its proper divisors (785054496).

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

427363872 is a wasteful number, since it uses less digits than its factorization.

427363872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242 (or 1234 counting only the distinct ones).

The product of its digits is 338688, while the sum is 42.

The square root of 427363872 is about 20672.7809450011. The cubic root of 427363872 is about 753.2386595377.

The spelling of 427363872 in words is "four hundred twenty-seven million, three hundred sixty-three thousand, eight hundred seventy-two".