620477273 has 8 divisors (see below), whose sum is σ = 672693000. Its totient is φ = 568902528.

The previous prime is 620477261. The next prime is 620477287. The reversal of 620477273 is 372774026.

It can be written as a sum of positive squares in 4 ways, for example, as 13741849 + 606735424 = 3707^2 + 24632^2 .

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 620477273 - 2⁴ = 620477257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620477213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158228 + ... + 162101.

It is an arithmetic number, because the mean of its divisors is an integer number (84086625).

Almost surely, 2^620477273 is an apocalyptic number.

It is an amenable number.

620477273 is a deficient number, since it is larger than the sum of its proper divisors (52215727).

620477273 is a wasteful number, since it uses less digits than its factorization.

620477273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320491.

The product of its (nonzero) digits is 98784, while the sum is 38.

The square root of 620477273 is about 24909.3812247514. The cubic root of 620477273 is about 852.9206441397.

The spelling of 620477273 in words is "six hundred twenty million, four hundred seventy-seven thousand, two hundred seventy-three".