620622672 has 40 divisors (see below), whose sum is σ = 1697587776. Its totient is φ = 194704896.

The previous prime is 620622671. The next prime is 620622677. The reversal of 620622672 is 276226026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620622671) 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 7 ways as a sum of consecutive naturals, for example, 379468 + ... + 381099.

Almost surely, 2^620622672 is an apocalyptic number.

It is an amenable number.

620622672 is an abundant number, since it is smaller than the sum of its proper divisors (1076965104).

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

620622672 is a wasteful number, since it uses less digits than its factorization.

620622672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760595 (or 760589 counting only the distinct ones).

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

The square root of 620622672 is about 24912.2996128418. The cubic root of 620622672 is about 852.9872617412.

Adding to 620622672 its reverse (276226026), we get a palindrome (896848698).

The spelling of 620622672 in words is "six hundred twenty million, six hundred twenty-two thousand, six hundred seventy-two".