621667002 has 16 divisors (see below), whose sum is σ = 1356364512. Its totient is φ = 188383920.

The previous prime is 621667001. The next prime is 621667027. The reversal of 621667002 is 200766126.

621667002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×621667002² = 772939722751336008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (621667001) 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, 4709533 + ... + 4709664.

It is an arithmetic number, because the mean of its divisors is an integer number (84772782).

Almost surely, 2^621667002 is an apocalyptic number.

621667002 is an abundant number, since it is smaller than the sum of its proper divisors (734697510).

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

621667002 is a wasteful number, since it uses less digits than its factorization.

621667002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9419213.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 621667002 is about 24933.2509312364. The cubic root of 621667002 is about 853.4654379557.

The spelling of 621667002 in words is "six hundred twenty-one million, six hundred sixty-seven thousand, two".