75116447 has 8 divisors (see below), whose sum is σ = 87129216. Its totient is φ = 63424152.

The previous prime is 75116429. The next prime is 75116449. The reversal of 75116447 is 74461157.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75116447 - 2¹⁴ = 75100063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75116449) 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 7 ways as a sum of consecutive naturals, for example, 79613 + ... + 80550.

It is an arithmetic number, because the mean of its divisors is an integer number (10891152).

Almost surely, 2^75116447 is an apocalyptic number.

75116447 is a deficient number, since it is larger than the sum of its proper divisors (12012769).

75116447 is a wasteful number, since it uses less digits than its factorization.

75116447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160237.

The product of its digits is 23520, while the sum is 35.

The square root of 75116447 is about 8666.9745009432. The cubic root of 75116447 is about 421.9344757995.

The spelling of 75116447 in words is "seventy-five million, one hundred sixteen thousand, four hundred forty-seven".