66776002 has 8 divisors (see below), whose sum is σ = 102295296. Its totient is φ = 32677572.

The previous prime is 66775999. The next prime is 66776027. The reversal of 66776002 is 20067766.

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

It is an unprimeable number.

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, 355098 + ... + 355285.

It is an arithmetic number, because the mean of its divisors is an integer number (12786912).

Almost surely, 2^66776002 is an apocalyptic number.

66776002 is a deficient number, since it is larger than the sum of its proper divisors (35519294).

66776002 is a wasteful number, since it uses less digits than its factorization.

66776002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710432.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 66776002 is about 8171.6584608022. The cubic root of 66776002 is about 405.7016784961.

The spelling of 66776002 in words is "sixty-six million, seven hundred seventy-six thousand, two".