61740713 has 2 divisors, whose sum is σ = 61740714. Its totient is φ = 61740712.

The previous prime is 61740697. The next prime is 61740737. The reversal of 61740713 is 31704716.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46895104 + 14845609 = 6848^2 + 3853^2 .

It is a cyclic number.

It is not a de Polignac number, because 61740713 - 2⁴ = 61740697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61740743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30870356 + 30870357.

It is an arithmetic number, because the mean of its divisors is an integer number (30870357).

Almost surely, 2^61740713 is an apocalyptic number.

It is an amenable number.

61740713 is a deficient number, since it is larger than the sum of its proper divisors (1).

61740713 is an equidigital number, since it uses as much as digits as its factorization.

61740713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 61740713 is about 7857.5258828718. The cubic root of 61740713 is about 395.2366535724.

The spelling of 61740713 in words is "sixty-one million, seven hundred forty thousand, seven hundred thirteen".