470073021 has 12 divisors (see below), whose sum is σ = 688922976. Its totient is φ = 284892520.

The previous prime is 470073017. The next prime is 470073029. The reversal of 470073021 is 120370074.

It is not a de Polignac number, because 470073021 - 2² = 470073017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 470072982 and 470073000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470073029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 647121 + ... + 647846.

It is an arithmetic number, because the mean of its divisors is an integer number (57410248).

Almost surely, 2^470073021 is an apocalyptic number.

It is an amenable number.

470073021 is a deficient number, since it is larger than the sum of its proper divisors (218849955).

470073021 is a wasteful number, since it uses less digits than its factorization.

470073021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294992 (or 1294981 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 470073021 is about 21681.1674270552. The cubic root of 470073021 is about 777.5382726720.

The spelling of 470073021 in words is "four hundred seventy million, seventy-three thousand, twenty-one".