420705627 has 8 divisors (see below), whose sum is σ = 585329664. Its totient is φ = 268276008.

The previous prime is 420705617. The next prime is 420705631. The reversal of 420705627 is 726507024.

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

It is not a de Polignac number, because 420705627 - 2⁴ = 420705611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420705617) 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, 3048523 + ... + 3048660.

It is an arithmetic number, because the mean of its divisors is an integer number (73166208).

Almost surely, 2^420705627 is an apocalyptic number.

420705627 is a deficient number, since it is larger than the sum of its proper divisors (164624037).

420705627 is a wasteful number, since it uses less digits than its factorization.

420705627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6097209.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 420705627 is about 20511.1098432045. The cubic root of 420705627 is about 749.3063969731.

The spelling of 420705627 in words is "four hundred twenty million, seven hundred five thousand, six hundred twenty-seven".