61841306 has 8 divisors (see below), whose sum is σ = 92964564. Its totient is φ = 30853120.

The previous prime is 61841287. The next prime is 61841309. The reversal of 61841306 is 60314816.

It can be written as a sum of positive squares in 2 ways, for example, as 59923081 + 1918225 = 7741^2 + 1385^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61841309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32615 + ... + 34458.

Almost surely, 2^61841306 is an apocalyptic number.

61841306 is a deficient number, since it is larger than the sum of its proper divisors (31123258).

61841306 is a wasteful number, since it uses less digits than its factorization.

61841306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67536.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 61841306 is about 7863.9243383949. The cubic root of 61841306 is about 395.4511876885.

The spelling of 61841306 in words is "sixty-one million, eight hundred forty-one thousand, three hundred six".