61607716 has 12 divisors (see below), whose sum is σ = 111531420. Its totient is φ = 29741600.

The previous prime is 61607681. The next prime is 61607717. The reversal of 61607716 is 61770616.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48358116 + 13249600 = 6954^2 + 3640^2 .

It is not an unprimeable number, because it can be changed into a prime (61607717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265435 + ... + 265666.

It is an arithmetic number, because the mean of its divisors is an integer number (9294285).

Almost surely, 2^61607716 is an apocalyptic number.

It is an amenable number.

61607716 is a deficient number, since it is larger than the sum of its proper divisors (49923704).

61607716 is a wasteful number, since it uses less digits than its factorization.

61607716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531134 (or 531132 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 61607716 is about 7849.0582874635. The cubic root of 61607716 is about 394.9526536211.

The spelling of 61607716 in words is "sixty-one million, six hundred seven thousand, seven hundred sixteen".