421674605 has 16 divisors (see below), whose sum is σ = 552572928. Its totient is φ = 306360000.

The previous prime is 421674601. The next prime is 421674667. The reversal of 421674605 is 506476124.

It is not a de Polignac number, because 421674605 - 2² = 421674601 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 (421674601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59975 + ... + 66635.

It is an arithmetic number, because the mean of its divisors is an integer number (34535808).

Almost surely, 2^421674605 is an apocalyptic number.

It is an amenable number.

421674605 is a deficient number, since it is larger than the sum of its proper divisors (130898323).

421674605 is a wasteful number, since it uses less digits than its factorization.

421674605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7828.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 421674605 is about 20534.7170664706. The cubic root of 421674605 is about 749.8812285995.

The spelling of 421674605 in words is "four hundred twenty-one million, six hundred seventy-four thousand, six hundred five".