420743365 has 16 divisors (see below), whose sum is σ = 579572352. Its totient is φ = 287233344.

The previous prime is 420743363. The next prime is 420743371. The reversal of 420743365 is 563347024.

It is a cyclic number.

It is not a de Polignac number, because 420743365 - 2¹ = 420743363 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 420743365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420743363) 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, 18534 + ... + 34423.

It is an arithmetic number, because the mean of its divisors is an integer number (36223272).

Almost surely, 2^420743365 is an apocalyptic number.

It is an amenable number.

420743365 is a deficient number, since it is larger than the sum of its proper divisors (158828987).

420743365 is a wasteful number, since it uses less digits than its factorization.

420743365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53196.

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 420743365 is about 20512.0297630439. The cubic root of 420743365 is about 749.3288009832.

The spelling of 420743365 in words is "four hundred twenty million, seven hundred forty-three thousand, three hundred sixty-five".