61040716 has 12 divisors (see below), whose sum is σ = 116532360. Its totient is φ = 27745760.

The previous prime is 61040669. The next prime is 61040719. The reversal of 61040716 is 61704016.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61040719) 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, 693601 + ... + 693688.

It is an arithmetic number, because the mean of its divisors is an integer number (9711030).

Almost surely, 2^61040716 is an apocalyptic number.

It is an amenable number.

61040716 is a deficient number, since it is larger than the sum of its proper divisors (55491644).

61040716 is a wasteful number, since it uses less digits than its factorization.

61040716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387304 (or 1387302 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 61040716 is about 7812.8558158973. The cubic root of 61040716 is about 393.7372826664.

The spelling of 61040716 in words is "sixty-one million, forty thousand, seven hundred sixteen".