470090721 has 8 divisors (see below), whose sum is σ = 654039360. Its totient is φ = 299767952.

The previous prime is 470090717. The next prime is 470090729. The reversal of 470090721 is 127090074.

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 470090721 - 2² = 470090717 is a prime.

It is not an unprimeable number, because it can be changed into a prime (470090729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3406386 + ... + 3406523.

It is an arithmetic number, because the mean of its divisors is an integer number (81754920).

Almost surely, 2^470090721 is an apocalyptic number.

It is an amenable number.

470090721 is a deficient number, since it is larger than the sum of its proper divisors (183948639).

470090721 is a wasteful number, since it uses less digits than its factorization.

470090721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6812935.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 470090721 is about 21681.5756115648. The cubic root of 470090721 is about 777.5480316201.

The spelling of 470090721 in words is "four hundred seventy million, ninety thousand, seven hundred twenty-one".