420948733 has 4 divisors (see below), whose sum is σ = 426715228. Its totient is φ = 415182240.

The previous prime is 420948727. The next prime is 420948757. The reversal of 420948733 is 337849024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 239723289 + 181225444 = 15483^2 + 13462^2 .

It is a cyclic number.

It is not a de Polignac number, because 420948733 - 2⁵ = 420948701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420948133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2883138 + ... + 2883283.

It is an arithmetic number, because the mean of its divisors is an integer number (106678807).

Almost surely, 2^420948733 is an apocalyptic number.

It is an amenable number.

420948733 is a deficient number, since it is larger than the sum of its proper divisors (5766495).

420948733 is an equidigital number, since it uses as much as digits as its factorization.

420948733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5766494.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 420948733 is about 20517.0351902998. The cubic root of 420948733 is about 749.4506988262.

The spelling of 420948733 in words is "four hundred twenty million, nine hundred forty-eight thousand, seven hundred thirty-three".