66672922 has 8 divisors (see below), whose sum is σ = 100274400. Its totient is φ = 33248124.

The previous prime is 66672899. The next prime is 66672923. The reversal of 66672922 is 22927666.

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 (66672923) 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, 43222 + ... + 44737.

It is an arithmetic number, because the mean of its divisors is an integer number (12534300).

Almost surely, 2^66672922 is an apocalyptic number.

66672922 is a deficient number, since it is larger than the sum of its proper divisors (33601478).

66672922 is a wasteful number, since it uses less digits than its factorization.

66672922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88340.

The product of its digits is 108864, while the sum is 40.

The square root of 66672922 is about 8165.3488596630. The cubic root of 66672922 is about 405.4928147086.

The spelling of 66672922 in words is "sixty-six million, six hundred seventy-two thousand, nine hundred twenty-two".