621000076 has 12 divisors (see below), whose sum is σ = 1087737840. Its totient is φ = 310217840.

The previous prime is 621000059. The next prime is 621000097. The reversal of 621000076 is 670000126.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65560 + ... + 74431.

It is an arithmetic number, because the mean of its divisors is an integer number (90644820).

Almost surely, 2^621000076 is an apocalyptic number.

It is an amenable number.

621000076 is a deficient number, since it is larger than the sum of its proper divisors (466737764).

621000076 is a wasteful number, since it uses less digits than its factorization.

621000076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141104 (or 141102 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 621000076 is about 24919.8731136417. The cubic root of 621000076 is about 853.1601287596.

Subtracting 621000076 from its reverse (670000126), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 621000076 in words is "six hundred twenty-one million, seventy-six", and thus it is an aban number.