620561470 has 16 divisors (see below), whose sum is σ = 1175801040. Its totient is φ = 235160064.

The previous prime is 620561453. The next prime is 620561531. The reversal of 620561470 is 74165026.

It is a happy number.

620561470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1632867 + ... + 1633246.

It is an arithmetic number, because the mean of its divisors is an integer number (73487565).

Almost surely, 2^620561470 is an apocalyptic number.

620561470 is a deficient number, since it is larger than the sum of its proper divisors (555239570).

620561470 is a wasteful number, since it uses less digits than its factorization.

620561470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3266139.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 620561470 is about 24911.0712334897. The cubic root of 620561470 is about 852.9592220294.

The spelling of 620561470 in words is "six hundred twenty million, five hundred sixty-one thousand, four hundred seventy".