606752640 has 512 divisors, whose sum is σ = 2409321600. Its totient is φ = 143327232.

The previous prime is 606752623. The next prime is 606752647. The reversal of 606752640 is 46257606.

606752640 is a `hidden beast` number, since 6 + 0 + 6 + 7 + 5 + 2 + 640 = 666.

It is a super-2 number, since 2×606752640² = 736297532293939200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 606752595 and 606752604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606752647) 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 63 ways as a sum of consecutive naturals, for example, 8311644 + ... + 8311716.

Almost surely, 2^606752640 is an apocalyptic number.

606752640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 606752640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1204660800).

606752640 is an abundant number, since it is smaller than the sum of its proper divisors (1802568960).

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

606752640 is a wasteful number, since it uses less digits than its factorization.

606752640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 606752640 is about 24632.3494616328. The cubic root of 606752640 is about 846.5849784443.

The spelling of 606752640 in words is "six hundred six million, seven hundred fifty-two thousand, six hundred forty".