470621645 has 8 divisors (see below), whose sum is σ = 608188056. Its totient is φ = 347535936.

The previous prime is 470621639. The next prime is 470621647. The reversal of 470621645 is 546126074.

It can be written as a sum of positive squares in 4 ways, for example, as 729316 + 469892329 = 854^2 + 21677^2 .

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 470621645 - 2⁴ = 470621629 is a prime.

It is a super-3 number, since 3×470621645³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470621647) 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, 3620102 + ... + 3620231.

It is an arithmetic number, because the mean of its divisors is an integer number (76023507).

Almost surely, 2^470621645 is an apocalyptic number.

It is an amenable number.

470621645 is a deficient number, since it is larger than the sum of its proper divisors (137566411).

470621645 is a wasteful number, since it uses less digits than its factorization.

470621645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7240351.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 470621645 is about 21693.8158238702. The cubic root of 470621645 is about 777.8406443553.

The spelling of 470621645 in words is "four hundred seventy million, six hundred twenty-one thousand, six hundred forty-five".