420562276 has 18 divisors (see below), whose sum is σ = 756422898. Its totient is φ = 204595200.

The previous prime is 420562273. The next prime is 420562309. The reversal of 420562276 is 672265024.

It can be written as a sum of positive squares in 3 ways, for example, as 350438400 + 70123876 = 18720^2 + 8374^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (420562273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32925 + ... + 43876.

Almost surely, 2^420562276 is an apocalyptic number.

It is an amenable number.

420562276 is a deficient number, since it is larger than the sum of its proper divisors (335860622).

420562276 is a wasteful number, since it uses less digits than its factorization.

420562276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76879 (or 76840 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 420562276 is about 20507.6150734306. The cubic root of 420562276 is about 749.2212812241.

The spelling of 420562276 in words is "four hundred twenty million, five hundred sixty-two thousand, two hundred seventy-six".