61716073 has 2 divisors, whose sum is σ = 61716074. Its totient is φ = 61716072.

The previous prime is 61716059. The next prime is 61716077. The reversal of 61716073 is 37061716.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54361129 + 7354944 = 7373^2 + 2712^2 .

It is a cyclic number.

It is not a de Polignac number, because 61716073 - 2⁵ = 61716041 is a prime.

It is not a weakly prime, because it can be changed into another prime (61716077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30858036 + 30858037.

It is an arithmetic number, because the mean of its divisors is an integer number (30858037).

Almost surely, 2^61716073 is an apocalyptic number.

It is an amenable number.

61716073 is a deficient number, since it is larger than the sum of its proper divisors (1).

61716073 is an equidigital number, since it uses as much as digits as its factorization.

61716073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 61716073 is about 7855.9578028398. The cubic root of 61716073 is about 395.1840684603.

Adding to 61716073 its reverse (37061716), we get a palindrome (98777789).

The spelling of 61716073 in words is "sixty-one million, seven hundred sixteen thousand, seventy-three".