621792950 has 12 divisors (see below), whose sum is σ = 1156534980. Its totient is φ = 248717160.

The previous prime is 621792949. The next prime is 621792953. The reversal of 621792950 is 59297126.

It is a junction number, because it is equal to n+sod(n) for n = 621792898 and 621792907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621792953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6217880 + ... + 6217979.

It is an arithmetic number, because the mean of its divisors is an integer number (96377915).

Almost surely, 2^621792950 is an apocalyptic number.

621792950 is a deficient number, since it is larger than the sum of its proper divisors (534742030).

621792950 is a wasteful number, since it uses less digits than its factorization.

621792950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12435871 (or 12435866 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 621792950 is about 24935.7765068586. The cubic root of 621792950 is about 853.5230706360.

The spelling of 621792950 in words is "six hundred twenty-one million, seven hundred ninety-two thousand, nine hundred fifty".