621421062 has 16 divisors (see below), whose sum is σ = 1243245360. Its totient is φ = 207073152.

The previous prime is 621421057. The next prime is 621421069. The reversal of 621421062 is 260124126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621421069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5514 + ... + 35682.

It is an arithmetic number, because the mean of its divisors is an integer number (77702835).

Almost surely, 2^621421062 is an apocalyptic number.

621421062 is an abundant number, since it is smaller than the sum of its proper divisors (621824298).

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

621421062 is a wasteful number, since it uses less digits than its factorization.

621421062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33607.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 621421062 is about 24928.3184751800. The cubic root of 621421062 is about 853.3528755629.

Adding to 621421062 its reverse (260124126), we get a palindrome (881545188).

The spelling of 621421062 in words is "six hundred twenty-one million, four hundred twenty-one thousand, sixty-two".