621076142 has 16 divisors (see below), whose sum is σ = 1001514240. Its totient is φ = 287933688.

The previous prime is 621076139. The next prime is 621076193. The reversal of 621076142 is 241670126.

621076142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 172088 + ... + 175659.

It is an arithmetic number, because the mean of its divisors is an integer number (62594640).

Almost surely, 2^621076142 is an apocalyptic number.

621076142 is a deficient number, since it is larger than the sum of its proper divisors (380438098).

621076142 is a wasteful number, since it uses less digits than its factorization.

621076142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347815.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 621076142 is about 24921.3992785317. The cubic root of 621076142 is about 853.1949617284.

The spelling of 621076142 in words is "six hundred twenty-one million, seventy-six thousand, one hundred forty-two".