621344474 has 8 divisors (see below), whose sum is σ = 943246080. Its totient is φ = 306929116.

The previous prime is 621344473. The next prime is 621344489. The reversal of 621344474 is 474443126.

621344474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (621344473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1871354 + ... + 1871685.

It is an arithmetic number, because the mean of its divisors is an integer number (117905760).

Almost surely, 2^621344474 is an apocalyptic number.

621344474 is a deficient number, since it is larger than the sum of its proper divisors (321901606).

621344474 is a wasteful number, since it uses less digits than its factorization.

621344474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743124.

The product of its digits is 64512, while the sum is 35.

The square root of 621344474 is about 24926.7822632605. The cubic root of 621344474 is about 853.3178165242.

The spelling of 621344474 in words is "six hundred twenty-one million, three hundred forty-four thousand, four hundred seventy-four".