61716027 has 4 divisors (see below), whose sum is σ = 82288040. Its totient is φ = 41144016.

The previous prime is 61716013. The next prime is 61716041. The reversal of 61716027 is 72061716.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (61716013) and next prime (61716041).

It is not a de Polignac number, because 61716027 - 2¹⁸ = 61453883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61715985 and 61716003.

It is not an unprimeable number, because it can be changed into a prime (61716077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10286002 + ... + 10286007.

It is an arithmetic number, because the mean of its divisors is an integer number (20572010).

Almost surely, 2^61716027 is an apocalyptic number.

61716027 is a deficient number, since it is larger than the sum of its proper divisors (20572013).

61716027 is a wasteful number, since it uses less digits than its factorization.

61716027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20572012.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 61716027 is about 7855.9548751250. The cubic root of 61716027 is about 395.1839702769.

The spelling of 61716027 in words is "sixty-one million, seven hundred sixteen thousand, twenty-seven".