71740616 has 16 divisors (see below), whose sum is σ = 134742300. Its totient is φ = 35809344.

The previous prime is 71740607. The next prime is 71740621. The reversal of 71740616 is 61604717.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52852900 + 18887716 = 7270^2 + 4346^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2411 + ... + 12218.

Almost surely, 2^71740616 is an apocalyptic number.

It is an amenable number.

71740616 is a deficient number, since it is larger than the sum of its proper divisors (63001684).

71740616 is a wasteful number, since it uses less digits than its factorization.

71740616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15248 (or 15244 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 71740616 is about 8469.9832349303. The cubic root of 71740616 is about 415.5165889897.

The spelling of 71740616 in words is "seventy-one million, seven hundred forty thousand, six hundred sixteen".