420055743 has 8 divisors (see below), whose sum is σ = 589552000. Its totient is φ = 265298328.

The previous prime is 420055721. The next prime is 420055747. The reversal of 420055743 is 347550024.

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

It is not a de Polignac number, because 420055743 - 2⁹ = 420055231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420055743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420055747) 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, 3684643 + ... + 3684756.

It is an arithmetic number, because the mean of its divisors is an integer number (73694000).

Almost surely, 2^420055743 is an apocalyptic number.

420055743 is a deficient number, since it is larger than the sum of its proper divisors (169496257).

420055743 is a wasteful number, since it uses less digits than its factorization.

420055743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7369421.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 420055743 is about 20495.2614767414. The cubic root of 420055743 is about 748.9203683843.

The spelling of 420055743 in words is "four hundred twenty million, fifty-five thousand, seven hundred forty-three".