627420770 has 8 divisors (see below), whose sum is σ = 1129357404. Its totient is φ = 250968304.

The previous prime is 627420743. The next prime is 627420791. The reversal of 627420770 is 77024726.

627420770 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 2 ways, for example, as 625350049 + 2070721 = 25007^2 + 1439^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 627420770.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31371029 + ... + 31371048.

Almost surely, 2^627420770 is an apocalyptic number.

627420770 is a deficient number, since it is larger than the sum of its proper divisors (501936634).

627420770 is a wasteful number, since it uses less digits than its factorization.

627420770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62742084.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 627420770 is about 25048.3686095522. The cubic root of 627420770 is about 856.0904068268.

The spelling of 627420770 in words is "six hundred twenty-seven million, four hundred twenty thousand, seven hundred seventy".