627340545 has 160 divisors (see below), whose sum is σ = 1320181632. Its totient is φ = 282175488.

The previous prime is 627340481. The next prime is 627340559. The reversal of 627340545 is 545043726.

627340545 is a `hidden beast` number, since 6 + 2 + 73 + 40 + 545 = 666.

It is not a de Polignac number, because 627340545 - 2⁶ = 627340481 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3848634 + ... + 3848796.

Almost surely, 2^627340545 is an apocalyptic number.

627340545 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

627340545 is an abundant number, since it is smaller than the sum of its proper divisors (692841087).

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

627340545 is a wasteful number, since it uses less digits than its factorization.

627340545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 627340545 is about 25046.7671566612. The cubic root of 627340545 is about 856.0539173429.

The spelling of 627340545 in words is "six hundred twenty-seven million, three hundred forty thousand, five hundred forty-five".