61742063 has 2 divisors, whose sum is σ = 61742064. Its totient is φ = 61742062.

The previous prime is 61742053. The next prime is 61742081. The reversal of 61742063 is 36024716.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61742063 - 2⁴ = 61742047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61742033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30871031 + 30871032.

It is an arithmetic number, because the mean of its divisors is an integer number (30871032).

Almost surely, 2^61742063 is an apocalyptic number.

61742063 is a deficient number, since it is larger than the sum of its proper divisors (1).

61742063 is an equidigital number, since it uses as much as digits as its factorization.

61742063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 61742063 is about 7857.6117873054. The cubic root of 61742063 is about 395.2395342518.

Adding to 61742063 its reverse (36024716), we get a palindrome (97766779).

The spelling of 61742063 in words is "sixty-one million, seven hundred forty-two thousand, sixty-three".