627606340 has 24 divisors (see below), whose sum is σ = 1395501912. Its totient is φ = 236275200.

The previous prime is 627606319. The next prime is 627606341. The reversal of 627606340 is 43606726.

It can be written as a sum of positive squares in 4 ways, for example, as 124411716 + 503194624 = 11154^2 + 22432^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 627606296 and 627606305.

It is not an unprimeable number, because it can be changed into a prime (627606341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 922611 + ... + 923290.

It is an arithmetic number, because the mean of its divisors is an integer number (58145913).

Almost surely, 2^627606340 is an apocalyptic number.

It is an amenable number.

627606340 is an abundant number, since it is smaller than the sum of its proper divisors (767895572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

627606340 is a wasteful number, since it uses less digits than its factorization.

627606340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845927 (or 1845925 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 627606340 is about 25052.0725689513. The cubic root of 627606340 is about 856.1747994411.

The spelling of 627606340 in words is "six hundred twenty-seven million, six hundred six thousand, three hundred forty".