420627171 has 8 divisors (see below), whose sum is σ = 562104000. Its totient is φ = 279784232.

The previous prime is 420627157. The next prime is 420627173. The reversal of 420627171 is 171726024.

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

It is a cyclic number.

It is not a de Polignac number, because 420627171 - 2⁷ = 420627043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420627173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156921 + ... + 159578.

It is an arithmetic number, because the mean of its divisors is an integer number (70263000).

Almost surely, 2^420627171 is an apocalyptic number.

420627171 is a deficient number, since it is larger than the sum of its proper divisors (141476829).

420627171 is a wasteful number, since it uses less digits than its factorization.

420627171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316945.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 420627171 is about 20509.1972295358. The cubic root of 420627171 is about 749.2598155207.

The spelling of 420627171 in words is "four hundred twenty million, six hundred twenty-seven thousand, one hundred seventy-one".