620485272 has 80 divisors (see below), whose sum is σ = 1895949000. Its totient is φ = 188023680.

The previous prime is 620485249. The next prime is 620485273. The reversal of 620485272 is 272584026.

620485272 is a `hidden beast` number, since 620 + 4 + 8 + 5 + 27 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620485273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36397 + ... + 50652.

Almost surely, 2^620485272 is an apocalyptic number.

It is an amenable number.

620485272 is an abundant number, since it is smaller than the sum of its proper divisors (1275463728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620485272 is a wasteful number, since it uses less digits than its factorization.

620485272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87078 (or 87065 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 620485272 is about 24909.5417862312. The cubic root of 620485272 is about 852.9243093199.

The spelling of 620485272 in words is "six hundred twenty million, four hundred eighty-five thousand, two hundred seventy-two".