627080021 has 8 divisors (see below), whose sum is σ = 649234200. Its totient is φ = 604961280.

The previous prime is 627080011. The next prime is 627080029. The reversal of 627080021 is 120080726.

627080021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 179292100 + 447787921 = 13390^2 + 21161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 627080021 - 2¹⁴ = 627063637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627080029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30125 + ... + 46493.

It is an arithmetic number, because the mean of its divisors is an integer number (81154275).

Almost surely, 2^627080021 is an apocalyptic number.

It is an amenable number.

627080021 is a deficient number, since it is larger than the sum of its proper divisors (22154179).

627080021 is a wasteful number, since it uses less digits than its factorization.

627080021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17719.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 627080021 is about 25041.5658655764. The cubic root of 627080021 is about 855.9353993268.

The spelling of 627080021 in words is "six hundred twenty-seven million, eighty thousand, twenty-one".