621134276 has 12 divisors (see below), whose sum is σ = 1242268608. Its totient is φ = 266200392.

The previous prime is 621134237. The next prime is 621134291. The reversal of 621134276 is 672431126.

621134276 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11091656 + ... + 11091711.

It is an arithmetic number, because the mean of its divisors is an integer number (103522384).

Almost surely, 2^621134276 is an apocalyptic number.

It is an amenable number.

621134276 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

621134276 is a wasteful number, since it uses less digits than its factorization.

621134276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22183378 (or 22183376 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 621134276 is about 24922.5655982686. The cubic root of 621134276 is about 853.2215811637.

The spelling of 621134276 in words is "six hundred twenty-one million, one hundred thirty-four thousand, two hundred seventy-six".