66701226 has 16 divisors (see below), whose sum is σ = 133992864. Its totient is φ = 22135344.

The previous prime is 66701179. The next prime is 66701227. The reversal of 66701226 is 62210766.

It is a junction number, because it is equal to n+sod(n) for n = 66701193 and 66701202.

It is not an unprimeable number, because it can be changed into a prime (66701227) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23125 + ... + 25848.

It is an arithmetic number, because the mean of its divisors is an integer number (8374554).

Almost surely, 2^66701226 is an apocalyptic number.

66701226 is an abundant number, since it is smaller than the sum of its proper divisors (67291638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66701226 is a wasteful number, since it uses less digits than its factorization.

66701226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49205.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 66701226 is about 8167.0818533917. The cubic root of 66701226 is about 405.5501865500.

The spelling of 66701226 in words is "sixty-six million, seven hundred one thousand, two hundred twenty-six".