420704449 has 8 divisors (see below), whose sum is σ = 459613440. Its totient is φ = 381906000.

The previous prime is 420704447. The next prime is 420704483. The reversal of 420704449 is 944407024.

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 420704449 - 2¹ = 420704447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420704447) 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, 19569 + ... + 34990.

It is an arithmetic number, because the mean of its divisors is an integer number (57451680).

Almost surely, 2^420704449 is an apocalyptic number.

It is an amenable number.

420704449 is a deficient number, since it is larger than the sum of its proper divisors (38908991).

420704449 is a wasteful number, since it uses less digits than its factorization.

420704449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55271.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 420704449 is about 20511.0811270396. The cubic root of 420704449 is about 749.3056976054.

The spelling of 420704449 in words is "four hundred twenty million, seven hundred four thousand, four hundred forty-nine".