420754476 has 12 divisors (see below), whose sum is σ = 981760472. Its totient is φ = 140251488.

The previous prime is 420754457. The next prime is 420754493. The reversal of 420754476 is 674457024.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17531425 + ... + 17531448.

Almost surely, 2^420754476 is an apocalyptic number.

It is an amenable number.

420754476 is an abundant number, since it is smaller than the sum of its proper divisors (561005996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420754476 is a wasteful number, since it uses less digits than its factorization.

420754476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35062880 (or 35062878 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 39.

The square root of 420754476 is about 20512.3006023215. The cubic root of 420754476 is about 749.3353970222.

The spelling of 420754476 in words is "four hundred twenty million, seven hundred fifty-four thousand, four hundred seventy-six".