420073996 has 6 divisors (see below), whose sum is σ = 735129500. Its totient is φ = 210036996.

The previous prime is 420073991. The next prime is 420074023. The reversal of 420073996 is 699370024.

It is not an unprimeable number, because it can be changed into a prime (420073991) 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 as a sum of consecutive naturals, namely, 52509246 + ... + 52509253.

Almost surely, 2^420073996 is an apocalyptic number.

It is an amenable number.

420073996 is a deficient number, since it is larger than the sum of its proper divisors (315055504).

420073996 is a wasteful number, since it uses less digits than its factorization.

420073996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105018503 (or 105018501 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 420073996 is about 20495.7067699555. The cubic root of 420073996 is about 748.9312160283.

The spelling of 420073996 in words is "four hundred twenty million, seventy-three thousand, nine hundred ninety-six".