66746214 has 32 divisors (see below), whose sum is σ = 148595040. Its totient is φ = 22208256.

The previous prime is 66746213. The next prime is 66746219. The reversal of 66746214 is 41264766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66746213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50814 + ... + 52110.

It is an arithmetic number, because the mean of its divisors is an integer number (4643595).

Almost surely, 2^66746214 is an apocalyptic number.

66746214 is an abundant number, since it is smaller than the sum of its proper divisors (81848826).

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

66746214 is a wasteful number, since it uses less digits than its factorization.

66746214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261 (or 2255 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 66746214 is about 8169.8356164613. The cubic root of 66746214 is about 405.6413432525.

The spelling of 66746214 in words is "sixty-six million, seven hundred forty-six thousand, two hundred fourteen".