61740737 has 2 divisors, whose sum is σ = 61740738. Its totient is φ = 61740736.

The previous prime is 61740713. The next prime is 61740743. The reversal of 61740737 is 73704716.

61740737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47872561 + 13868176 = 6919^2 + 3724^2 .

It is a cyclic number.

It is not a de Polignac number, because 61740737 - 2¹² = 61736641 is a prime.

It is a Chen prime.

It is equal to p_3659156 and since 61740737 and 3659156 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 61740697 and 61740706.

It is not a weakly prime, because it can be changed into another prime (61740037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30870368 + 30870369.

It is an arithmetic number, because the mean of its divisors is an integer number (30870369).

Almost surely, 2^61740737 is an apocalyptic number.

It is an amenable number.

61740737 is a deficient number, since it is larger than the sum of its proper divisors (1).

61740737 is an equidigital number, since it uses as much as digits as its factorization.

61740737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 61740737 is about 7857.5274100699. The cubic root of 61740737 is about 395.2367047849.

The spelling of 61740737 in words is "sixty-one million, seven hundred forty thousand, seven hundred thirty-seven".