470664021 has 8 divisors (see below), whose sum is σ = 628970400. Its totient is φ = 313066832.

The previous prime is 470664017. The next prime is 470664037. The reversal of 470664021 is 120466074.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 470664021 - 2² = 470664017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 470664021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470664121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175746 + ... + 178403.

It is an arithmetic number, because the mean of its divisors is an integer number (78621300).

Almost surely, 2^470664021 is an apocalyptic number.

It is an amenable number.

470664021 is a deficient number, since it is larger than the sum of its proper divisors (158306379).

470664021 is a wasteful number, since it uses less digits than its factorization.

470664021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354595.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 470664021 is about 21694.7924857557. The cubic root of 470664021 is about 777.8639899212.

The spelling of 470664021 in words is "four hundred seventy million, six hundred sixty-four thousand, twenty-one".