75989967 has 8 divisors (see below), whose sum is σ = 101423280. Its totient is φ = 50608320.

The previous prime is 75989939. The next prime is 75989981. The reversal of 75989967 is 76998957.

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

It is not a de Polignac number, because 75989967 - 2¹⁰ = 75988943 is a prime.

It is a super-2 number, since 2×75989967² = 11548950169322178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75989967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75989467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9342 + ... + 15467.

It is an arithmetic number, because the mean of its divisors is an integer number (12677910).

Almost surely, 2^75989967 is an apocalyptic number.

75989967 is a deficient number, since it is larger than the sum of its proper divisors (25433313).

75989967 is a wasteful number, since it uses less digits than its factorization.

75989967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25833.

The product of its digits is 8573040, while the sum is 60.

The square root of 75989967 is about 8717.2224360745. Note that the first 3 decimals coincide. The cubic root of 75989967 is about 423.5637181236.

The spelling of 75989967 in words is "seventy-five million, nine hundred eighty-nine thousand, nine hundred sixty-seven".