66760450 has 12 divisors (see below), whose sum is σ = 124174530. Its totient is φ = 26704160.

The previous prime is 66760439. The next prime is 66760483. The reversal of 66760450 is 5406766.

It can be written as a sum of positive squares in 3 ways, for example, as 62236321 + 4524129 = 7889^2 + 2127^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 667555 + ... + 667654.

Almost surely, 2^66760450 is an apocalyptic number.

66760450 is a deficient number, since it is larger than the sum of its proper divisors (57414080).

66760450 is a wasteful number, since it uses less digits than its factorization.

66760450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335221 (or 1335216 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 66760450 is about 8170.7068237699. The cubic root of 66760450 is about 405.6701803421.

The spelling of 66760450 in words is "sixty-six million, seven hundred sixty thousand, four hundred fifty".