427067641 has 16 divisors (see below), whose sum is σ = 573406848. Its totient is φ = 307180800.

The previous prime is 427067639. The next prime is 427067647. The reversal of 427067641 is 146760724.

It is a cyclic number.

It is not a de Polignac number, because 427067641 - 2¹ = 427067639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427067641.

It is not an unprimeable number, because it can be changed into a prime (427067647) 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, 212320 + ... + 214321.

It is an arithmetic number, because the mean of its divisors is an integer number (35837928).

Almost surely, 2^427067641 is an apocalyptic number.

It is an amenable number.

427067641 is a deficient number, since it is larger than the sum of its proper divisors (146339207).

427067641 is a wasteful number, since it uses less digits than its factorization.

427067641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426672.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 427067641 is about 20665.6149436691. The cubic root of 427067641 is about 753.0645813253.

The spelling of 427067641 in words is "four hundred twenty-seven million, sixty-seven thousand, six hundred forty-one".