620706268 has 48 divisors (see below), whose sum is σ = 1345042944. Its totient is φ = 244059840.

The previous prime is 620706253. The next prime is 620706271. The reversal of 620706268 is 862607026.

It is a super-2 number, since 2×620706268² = 770552542268975648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 55683 + ... + 65893.

It is an arithmetic number, because the mean of its divisors is an integer number (28021728).

Almost surely, 2^620706268 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 620706268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672521472).

620706268 is an abundant number, since it is smaller than the sum of its proper divisors (724336676).

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

620706268 is a wasteful number, since it uses less digits than its factorization.

620706268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10402 (or 10400 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 620706268 is about 24913.9773621154. The cubic root of 620706268 is about 853.0255582913.

The spelling of 620706268 in words is "six hundred twenty million, seven hundred six thousand, two hundred sixty-eight".