420472927 has 8 divisors (see below), whose sum is σ = 484209792. Its totient is φ = 357653400.

The previous prime is 420472909. The next prime is 420472931. The reversal of 420472927 is 729274024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420472927 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 (420472027) 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 7 ways as a sum of consecutive naturals, for example, 228349 + ... + 230182.

It is an arithmetic number, because the mean of its divisors is an integer number (60526224).

Almost surely, 2^420472927 is an apocalyptic number.

420472927 is a deficient number, since it is larger than the sum of its proper divisors (63736865).

420472927 is a wasteful number, since it uses less digits than its factorization.

420472927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458669.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 420472927 is about 20505.4365230297. The cubic root of 420472927 is about 749.1682197892.

The spelling of 420472927 in words is "four hundred twenty million, four hundred seventy-two thousand, nine hundred twenty-seven".