420670675 has 6 divisors (see below), whose sum is σ = 521631668. Its totient is φ = 336536520.

The previous prime is 420670631. The next prime is 420670687. The reversal of 420670675 is 576076024.

It is not a de Polignac number, because 420670675 - 2¹⁵ = 420637907 is a prime.

It is a super-3 number, since 3×420670675³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8413389 + ... + 8413438.

Almost surely, 2^420670675 is an apocalyptic number.

420670675 is a deficient number, since it is larger than the sum of its proper divisors (100960993).

420670675 is a wasteful number, since it uses less digits than its factorization.

420670675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16826837 (or 16826832 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 420670675 is about 20510.2577994524. The cubic root of 420670675 is about 749.2856457393.

The spelling of 420670675 in words is "four hundred twenty million, six hundred seventy thousand, six hundred seventy-five".