427564067 has 8 divisors (see below), whose sum is σ = 496655712. Its totient is φ = 360475200.

The previous prime is 427564063. The next prime is 427564073. The reversal of 427564067 is 760465724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 427564067 - 2² = 427564063 is a prime.

It is a super-2 number, since 2×427564067² = 365622062779160978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427564061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500234 + ... + 501087.

It is an arithmetic number, because the mean of its divisors is an integer number (62081964).

Almost surely, 2^427564067 is an apocalyptic number.

427564067 is a deficient number, since it is larger than the sum of its proper divisors (69091645).

427564067 is a wasteful number, since it uses less digits than its factorization.

427564067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001389.

The product of its (nonzero) digits is 282240, while the sum is 41.

The square root of 427564067 is about 20677.6223729906. The cubic root of 427564067 is about 753.3562572753.

The spelling of 427564067 in words is "four hundred twenty-seven million, five hundred sixty-four thousand, sixty-seven".