620304470 has 8 divisors (see below), whose sum is σ = 1116548064. Its totient is φ = 248121784.

The previous prime is 620304463. The next prime is 620304473. The reversal of 620304470 is 74403026.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620304473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31015214 + ... + 31015233.

It is an arithmetic number, because the mean of its divisors is an integer number (139568508).

Almost surely, 2^620304470 is an apocalyptic number.

620304470 is a deficient number, since it is larger than the sum of its proper divisors (496243594).

620304470 is a wasteful number, since it uses less digits than its factorization.

620304470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62030454.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 620304470 is about 24905.9123502834. The cubic root of 620304470 is about 852.8414572852.

Adding to 620304470 its reverse (74403026), we get a palindrome (694707496).

The spelling of 620304470 in words is "six hundred twenty million, three hundred four thousand, four hundred seventy".