420627674 has 8 divisors (see below), whose sum is σ = 634211220. Its totient is φ = 209223936.

The previous prime is 420627671. The next prime is 420627689. The reversal of 420627674 is 476726024.

It can be written as a sum of positive squares in 2 ways, for example, as 416445649 + 4182025 = 20407^2 + 2045^2 .

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

It is not an unprimeable number, because it can be changed into a prime (420627671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544469 + ... + 545240.

Almost surely, 2^420627674 is an apocalyptic number.

420627674 is a deficient number, since it is larger than the sum of its proper divisors (213583546).

420627674 is a wasteful number, since it uses less digits than its factorization.

420627674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089904.

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 420627674 is about 20509.2094923232. The cubic root of 420627674 is about 749.2601141838.

The spelling of 420627674 in words is "four hundred twenty million, six hundred twenty-seven thousand, six hundred seventy-four".