427213018 has 8 divisors (see below), whose sum is σ = 644073012. Its totient is φ = 212522016.

The previous prime is 427212983. The next prime is 427213049. The reversal of 427213018 is 810312724.

It can be written as a sum of positive squares in 2 ways, for example, as 317445489 + 109767529 = 17817^2 + 10477^2 .

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

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, 541755 + ... + 542542.

Almost surely, 2^427213018 is an apocalyptic number.

427213018 is a deficient number, since it is larger than the sum of its proper divisors (216859994).

427213018 is a wasteful number, since it uses less digits than its factorization.

427213018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084496.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 427213018 is about 20669.1320088677. The cubic root of 427213018 is about 753.1500212253.

The spelling of 427213018 in words is "four hundred twenty-seven million, two hundred thirteen thousand, eighteen".