427573264 has 40 divisors (see below), whose sum is σ = 884015840. Its totient is φ = 199749888.

The previous prime is 427573193. The next prime is 427573277. The reversal of 427573264 is 462375724.

It is a happy number.

It is a super-2 number, since 2×427573264² = 365637792175227392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12559 + ... + 31825.

It is an arithmetic number, because the mean of its divisors is an integer number (22100396).

Almost surely, 2^427573264 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 427573264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442007920).

427573264 is an abundant number, since it is smaller than the sum of its proper divisors (456442576).

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

427573264 is a wasteful number, since it uses less digits than its factorization.

427573264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19367 (or 19361 counting only the distinct ones).

The product of its digits is 282240, while the sum is 40.

The square root of 427573264 is about 20677.8447619669. The cubic root of 427573264 is about 753.3616588578.

The spelling of 427573264 in words is "four hundred twenty-seven million, five hundred seventy-three thousand, two hundred sixty-four".