75890243 has 8 divisors (see below), whose sum is σ = 89157936. Its totient is φ = 63684000.

The previous prime is 75890239. The next prime is 75890257. The reversal of 75890243 is 34209857.

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 75890243 - 2² = 75890239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75890197 and 75890206.

It is not an unprimeable number, because it can be changed into a prime (75890443) 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, 265208 + ... + 265493.

It is an arithmetic number, because the mean of its divisors is an integer number (11144742).

Almost surely, 2^75890243 is an apocalyptic number.

75890243 is a deficient number, since it is larger than the sum of its proper divisors (13267693).

75890243 is a wasteful number, since it uses less digits than its factorization.

75890243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530725.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 75890243 is about 8711.5006170005. The cubic root of 75890243 is about 423.3783517269.

The spelling of 75890243 in words is "seventy-five million, eight hundred ninety thousand, two hundred forty-three".