621621014 has 32 divisors (see below), whose sum is σ = 1132724736. Its totient is φ = 249759360.

The previous prime is 621620999. The next prime is 621621037. The reversal of 621621014 is 410126126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57629 + ... + 67559.

It is an arithmetic number, because the mean of its divisors is an integer number (35397648).

Almost surely, 2^621621014 is an apocalyptic number.

621621014 is a deficient number, since it is larger than the sum of its proper divisors (511103722).

621621014 is a wasteful number, since it uses less digits than its factorization.

621621014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10220.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 621621014 is about 24932.3286918811. The cubic root of 621621014 is about 853.4443923175. Note that the first 3 decimals are identical.

The spelling of 621621014 in words is "six hundred twenty-one million, six hundred twenty-one thousand, fourteen".