66676874 has 8 divisors (see below), whose sum is σ = 109107648. Its totient is φ = 30307660.

The previous prime is 66676861. The next prime is 66676889. The reversal of 66676874 is 47867666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515362 + ... + 1515405.

It is an arithmetic number, because the mean of its divisors is an integer number (13638456).

Almost surely, 2^66676874 is an apocalyptic number.

66676874 is a deficient number, since it is larger than the sum of its proper divisors (42430774).

66676874 is a wasteful number, since it uses less digits than its factorization.

66676874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030780.

The product of its digits is 2032128, while the sum is 50.

The square root of 66676874 is about 8165.5908543105. The cubic root of 66676874 is about 405.5008263365.

The spelling of 66676874 in words is "sixty-six million, six hundred seventy-six thousand, eight hundred seventy-four".