621771034 has 16 divisors (see below), whose sum is σ = 936960768. Its totient is φ = 309454992.

The previous prime is 621770993. The next prime is 621771041. The reversal of 621771034 is 430177126.

621771034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 621770987 and 621771005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700539 + ... + 701425.

It is an arithmetic number, because the mean of its divisors is an integer number (58560048).

Almost surely, 2^621771034 is an apocalyptic number.

621771034 is a deficient number, since it is larger than the sum of its proper divisors (315189734).

621771034 is a wasteful number, since it uses less digits than its factorization.

621771034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 621771034 is about 24935.3370540685. The cubic root of 621771034 is about 853.5130426294.

The spelling of 621771034 in words is "six hundred twenty-one million, seven hundred seventy-one thousand, thirty-four".