66746548 has 12 divisors (see below), whose sum is σ = 127425312. Its totient is φ = 30339320.

The previous prime is 66746531. The next prime is 66746551. The reversal of 66746548 is 84564766.

It is a junction number, because it is equal to n+sod(n) for n = 66746498 and 66746507.

It is a congruent number.

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, 758440 + ... + 758527.

It is an arithmetic number, because the mean of its divisors is an integer number (10618776).

Almost surely, 2^66746548 is an apocalyptic number.

It is an amenable number.

66746548 is a deficient number, since it is larger than the sum of its proper divisors (60678764).

66746548 is a wasteful number, since it uses less digits than its factorization.

66746548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516982 (or 1516980 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The square root of 66746548 is about 8169.8560574835. The cubic root of 66746548 is about 405.6420198651.

The spelling of 66746548 in words is "sixty-six million, seven hundred forty-six thousand, five hundred forty-eight".