605742730 has 8 divisors (see below), whose sum is σ = 1090336932. Its totient is φ = 242297088.

The previous prime is 605742727. The next prime is 605742737. The reversal of 605742730 is 37247506.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 537729721 + 68013009 = 23189^2 + 8247^2 .

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

It is not an unprimeable number, because it can be changed into a prime (605742737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30287127 + ... + 30287146.

Almost surely, 2^605742730 is an apocalyptic number.

605742730 is a deficient number, since it is larger than the sum of its proper divisors (484594202).

605742730 is a wasteful number, since it uses less digits than its factorization.

605742730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60574280.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 605742730 is about 24611.8412557858. The cubic root of 605742730 is about 846.1150178856.

The spelling of 605742730 in words is "six hundred five million, seven hundred forty-two thousand, seven hundred thirty".