66763922 has 8 divisors (see below), whose sum is σ = 100192896. Its totient is φ = 33366292.

The previous prime is 66763919. The next prime is 66763937. The reversal of 66763922 is 22936766.

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

It is a self number, because there is not a number n which added to its sum of digits gives 66763922.

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, 1478 + ... + 11649.

It is an arithmetic number, because the mean of its divisors is an integer number (12524112).

Almost surely, 2^66763922 is an apocalyptic number.

66763922 is a deficient number, since it is larger than the sum of its proper divisors (33428974).

66763922 is a wasteful number, since it uses less digits than its factorization.

66763922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15672.

The product of its digits is 163296, while the sum is 41.

The square root of 66763922 is about 8170.9192873262. The cubic root of 66763922 is about 405.6772127615.

The spelling of 66763922 in words is "sixty-six million, seven hundred sixty-three thousand, nine hundred twenty-two".