66076372 has 12 divisors (see below), whose sum is σ = 117815796. Its totient is φ = 32414720.

The previous prime is 66076349. The next prime is 66076421. The reversal of 66076372 is 27367066.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17690436 + 48385936 = 4206^2 + 6956^2 .

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, 155629 + ... + 156052.

It is an arithmetic number, because the mean of its divisors is an integer number (9817983).

Almost surely, 2^66076372 is an apocalyptic number.

It is an amenable number.

66076372 is a deficient number, since it is larger than the sum of its proper divisors (51739424).

66076372 is a wasteful number, since it uses less digits than its factorization.

66076372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311738 (or 311736 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 66076372 is about 8128.7374173361. The cubic root of 66076372 is about 404.2798195433.

The spelling of 66076372 in words is "sixty-six million, seventy-six thousand, three hundred seventy-two".