75380289 has 4 divisors (see below), whose sum is σ = 100507056. Its totient is φ = 50253524.

The previous prime is 75380281. The next prime is 75380303. The reversal of 75380289 is 98208357.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75380289 - 2³ = 75380281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75380289.

It is not an unprimeable number, because it can be changed into a prime (75380281) 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 3 ways as a sum of consecutive naturals, for example, 12563379 + ... + 12563384.

It is an arithmetic number, because the mean of its divisors is an integer number (25126764).

Almost surely, 2^75380289 is an apocalyptic number.

It is an amenable number.

75380289 is a deficient number, since it is larger than the sum of its proper divisors (25126767).

75380289 is a wasteful number, since it uses less digits than its factorization.

75380289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25126766.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 75380289 is about 8682.1822717563. The cubic root of 75380289 is about 422.4279050216.

The spelling of 75380289 in words is "seventy-five million, three hundred eighty thousand, two hundred eighty-nine".