66337732 has 12 divisors (see below), whose sum is σ = 120094380. Its totient is φ = 32025056.

The previous prime is 66337717. The next prime is 66337751. The reversal of 66337732 is 23773366.

It can be written as a sum of positive squares in 2 ways, for example, as 35712576 + 30625156 = 5976^2 + 5534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 66337691 and 66337700.

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, 285823 + ... + 286054.

It is an arithmetic number, because the mean of its divisors is an integer number (10007865).

Almost surely, 2^66337732 is an apocalyptic number.

It is an amenable number.

66337732 is a deficient number, since it is larger than the sum of its proper divisors (53756648).

66337732 is a wasteful number, since it uses less digits than its factorization.

66337732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571910 (or 571908 counting only the distinct ones).

The product of its digits is 95256, while the sum is 37.

The square root of 66337732 is about 8144.7978489340. The cubic root of 66337732 is about 404.8121508562.

It can be divided in two parts, 6633 and 7732, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 66337732 in words is "sixty-six million, three hundred thirty-seven thousand, seven hundred thirty-two".