620622774272 has 96 divisors (see below), whose sum is σ = 1318554959565. Its totient is φ = 292057776128.

The previous prime is 620622774197. The next prime is 620622774287. The reversal of 620622774272 is 272477226026.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 568009424896 + 52613349376 = 753664^2 + 229376^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=557056.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 36507222008 + ... + 36507222024.

Almost surely, 2^620622774272 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 620622774272

620622774272 is an abundant number, since it is smaller than the sum of its proper divisors (697932185293).

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

620622774272 is an frugal number, since it uses more digits than its factorization.

620622774272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 19 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 47.

The spelling of 620622774272 in words is "six hundred twenty billion, six hundred twenty-two million, seven hundred seventy-four thousand, two hundred seventy-two".