621730223007246 has 48 divisors (see below), whose sum is σ = 1406509615484064. Its totient is φ = 198111729321792.

The previous prime is 621730223007191. The next prime is 621730223007293. The reversal of 621730223007246 is 642700322037126.

621730223007246 is a `hidden beast` number, since 6 + 2 + 1 + 7 + 302 + 230 + 0 + 72 + 46 = 666.

621730223007246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 458016181 + ... + 459371616.

It is an arithmetic number, because the mean of its divisors is an integer number (29302283655918).

Almost surely, 2^{621730223007246} is an apocalyptic number.

621730223007246 is an abundant number, since it is smaller than the sum of its proper divisors (784779392476818).

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

621730223007246 is a wasteful number, since it uses less digits than its factorization.

621730223007246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917389465 (or 917389462 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 45.

The spelling of 621730223007246 in words is "six hundred twenty-one trillion, seven hundred thirty billion, two hundred twenty-three million, seven thousand, two hundred forty-six".