766238530 has 8 divisors (see below), whose sum is σ = 1379229372. Its totient is φ = 306495408.

The previous prime is 766238503. The next prime is 766238531. The reversal of 766238530 is 35832667.

It can be written as a sum of positive squares in 2 ways, for example, as 736959609 + 29278921 = 27147^2 + 5411^2 .

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 (766238531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38311917 + ... + 38311936.

Almost surely, 2^766238530 is an apocalyptic number.

766238530 is a deficient number, since it is larger than the sum of its proper divisors (612990842).

766238530 is a wasteful number, since it uses less digits than its factorization.

766238530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76623860.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 766238530 is about 27681.0138903906. The cubic root of 766238530 is about 915.0707262160.

The spelling of 766238530 in words is "seven hundred sixty-six million, two hundred thirty-eight thousand, five hundred thirty".