427727842 has 8 divisors (see below), whose sum is σ = 642547116. Its totient is φ = 213545472.

The previous prime is 427727819. The next prime is 427727851. The reversal of 427727842 is 248727724.

It can be written as a sum of positive squares in 2 ways, for example, as 404774161 + 22953681 = 20119^2 + 4791^2 .

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

It is a super-2 number, since 2×427727842² = 365902213643953928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157543 + ... + 160234.

Almost surely, 2^427727842 is an apocalyptic number.

427727842 is a deficient number, since it is larger than the sum of its proper divisors (214819274).

427727842 is a wasteful number, since it uses less digits than its factorization.

427727842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318452.

The product of its digits is 351232, while the sum is 43.

The square root of 427727842 is about 20681.5821928594. The cubic root of 427727842 is about 753.4524340283.

The spelling of 427727842 in words is "four hundred twenty-seven million, seven hundred twenty-seven thousand, eight hundred forty-two".