766413530 has 8 divisors (see below), whose sum is σ = 1379544372. Its totient is φ = 306565408.

The previous prime is 766413503. The next prime is 766413539. The reversal of 766413530 is 35314667.

It can be written as a sum of positive squares in 2 ways, for example, as 700819729 + 65593801 = 26473^2 + 8099^2 .

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 (766413539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38320667 + ... + 38320686.

Almost surely, 2^766413530 is an apocalyptic number.

766413530 is a deficient number, since it is larger than the sum of its proper divisors (613130842).

766413530 is a wasteful number, since it uses less digits than its factorization.

766413530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76641360.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 766413530 is about 27684.1747213096. The cubic root of 766413530 is about 915.1403847628.

The spelling of 766413530 in words is "seven hundred sixty-six million, four hundred thirteen thousand, five hundred thirty".