620662272 has 160 divisors (see below), whose sum is σ = 1734091392. Its totient is φ = 197074944.

The previous prime is 620662261. The next prime is 620662313. The reversal of 620662272 is 272266026.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3807663 + ... + 3807825.

Almost surely, 2^620662272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620662272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (867045696).

620662272 is an abundant number, since it is smaller than the sum of its proper divisors (1113429120).

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

620662272 is a wasteful number, since it uses less digits than its factorization.

620662272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 620662272 is about 24913.0943882931. The cubic root of 620662272 is about 853.0054035090.

The spelling of 620662272 in words is "six hundred twenty million, six hundred sixty-two thousand, two hundred seventy-two".