470346721 has 8 divisors (see below), whose sum is σ = 506747304. Its totient is φ = 433977600.

The previous prime is 470346713. The next prime is 470346733. The reversal of 470346721 is 127643074.

It can be written as a sum of positive squares in 4 ways, for example, as 23658496 + 446688225 = 4864^2 + 21135^2 .

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 470346721 - 2³ = 470346713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (470346791) 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, 29955 + ... + 42871.

It is an arithmetic number, because the mean of its divisors is an integer number (63343413).

Almost surely, 2^470346721 is an apocalyptic number.

It is an amenable number.

470346721 is a deficient number, since it is larger than the sum of its proper divisors (36400583).

470346721 is a wasteful number, since it uses less digits than its factorization.

470346721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15731.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 470346721 is about 21687.4784380296. The cubic root of 470346721 is about 777.6891506036.

Adding to 470346721 its reverse (127643074), we get a palindrome (597989795).

The spelling of 470346721 in words is "four hundred seventy million, three hundred forty-six thousand, seven hundred twenty-one".