627742066 has 16 divisors (see below), whose sum is σ = 1083355200. Its totient is φ = 267225840.

The previous prime is 627742061. The next prime is 627742069. The reversal of 627742066 is 660247726.

It is a happy number.

627742066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (627742061) 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, 148380 + ... + 152551.

It is an arithmetic number, because the mean of its divisors is an integer number (67709700).

Almost surely, 2^627742066 is an apocalyptic number.

627742066 is a deficient number, since it is larger than the sum of its proper divisors (455613134).

627742066 is a wasteful number, since it uses less digits than its factorization.

627742066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301089.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 627742066 is about 25054.7813001830. The cubic root of 627742066 is about 856.2365137130.

The spelling of 627742066 in words is "six hundred twenty-seven million, seven hundred forty-two thousand, sixty-six".