61766338 has 16 divisors (see below), whose sum is σ = 98540280. Its totient is φ = 28935936.

The previous prime is 61766273. The next prime is 61766351. The reversal of 61766338 is 83366716.

It can be written as a sum of positive squares in 4 ways, for example, as 61199329 + 567009 = 7823^2 + 753^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61766338.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3820 + ... + 11752.

Almost surely, 2^61766338 is an apocalyptic number.

61766338 is a deficient number, since it is larger than the sum of its proper divisors (36773942).

61766338 is a wasteful number, since it uses less digits than its factorization.

61766338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8181.

The product of its digits is 108864, while the sum is 40.

The square root of 61766338 is about 7859.1563160431. The cubic root of 61766338 is about 395.2913259699.

The spelling of 61766338 in words is "sixty-one million, seven hundred sixty-six thousand, three hundred thirty-eight".