9975719 has 8 divisors (see below), whose sum is σ = 11375280. Its totient is φ = 8666496.

The previous prime is 9975709. The next prime is 9975727. The reversal of 9975719 is 9175799.

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 9975719 - 2¹⁶ = 9910183 is a prime.

It is a super-2 number, since 2×9975719² = 199029939133922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9975709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22349 + ... + 22790.

It is an arithmetic number, because the mean of its divisors is an integer number (1421910).

Almost surely, 2^9975719 is an apocalyptic number.

9975719 is a deficient number, since it is larger than the sum of its proper divisors (1399561).

9975719 is a wasteful number, since it uses less digits than its factorization.

9975719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45169.

The product of its digits is 178605, while the sum is 47.

The square root of 9975719 is about 3158.4361636734. The cubic root of 9975719 is about 215.2689549186.

The spelling of 9975719 in words is "nine million, nine hundred seventy-five thousand, seven hundred nineteen".