420108674 has 32 divisors (see below), whose sum is σ = 666792000. Its totient is φ = 198218944.

The previous prime is 420108671. The next prime is 420108679. The reversal of 420108674 is 476801024.

It is a self number, because there is not a number n which added to its sum of digits gives 420108674.

It is not an unprimeable number, because it can be changed into a prime (420108671) 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 in 15 ways as a sum of consecutive naturals, for example, 1002437 + ... + 1002855.

It is an arithmetic number, because the mean of its divisors is an integer number (20837250).

Almost surely, 2^420108674 is an apocalyptic number.

420108674 is a deficient number, since it is larger than the sum of its proper divisors (246683326).

420108674 is a wasteful number, since it uses less digits than its factorization.

420108674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 420108674 is about 20496.5527345454. The cubic root of 420108674 is about 748.9518240817.

Adding to 420108674 its reverse (476801024), we get a palindrome (896909698).

The spelling of 420108674 in words is "four hundred twenty million, one hundred eight thousand, six hundred seventy-four".