421267473 has 48 divisors (see below), whose sum is σ = 691891200. Its totient is φ = 254022480.

The previous prime is 421267447. The next prime is 421267481. The reversal of 421267473 is 374762124.

It is not a de Polignac number, because 421267473 - 2⁹ = 421266961 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (421267423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 959388 + ... + 959826.

It is an arithmetic number, because the mean of its divisors is an integer number (14414400).

Almost surely, 2^421267473 is an apocalyptic number.

It is an amenable number.

421267473 is a deficient number, since it is larger than the sum of its proper divisors (270623727).

421267473 is a wasteful number, since it uses less digits than its factorization.

421267473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 812 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 421267473 is about 20524.8014119504. The cubic root of 421267473 is about 749.6398110462.

The spelling of 421267473 in words is "four hundred twenty-one million, two hundred sixty-seven thousand, four hundred seventy-three".