66914344 has 16 divisors (see below), whose sum is σ = 143388000. Its totient is φ = 28677552.

The previous prime is 66914299. The next prime is 66914357. The reversal of 66914344 is 44341966.

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, 597394 + ... + 597505.

It is an arithmetic number, because the mean of its divisors is an integer number (8961750).

Almost surely, 2^66914344 is an apocalyptic number.

It is an amenable number.

66914344 is an abundant number, since it is smaller than the sum of its proper divisors (76473656).

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

66914344 is a wasteful number, since it uses less digits than its factorization.

66914344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194912 (or 1194908 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 66914344 is about 8180.1188255428. The cubic root of 66914344 is about 405.9816536639.

The spelling of 66914344 in words is "sixty-six million, nine hundred fourteen thousand, three hundred forty-four".