75098989 has 4 divisors (see below), whose sum is σ = 85827424. Its totient is φ = 64370556.

The previous prime is 75098987. The next prime is 75098993. The reversal of 75098989 is 98989057.

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 75098989 - 2¹ = 75098987 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 (75098987) 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 3 ways as a sum of consecutive naturals, for example, 5364207 + ... + 5364220.

It is an arithmetic number, because the mean of its divisors is an integer number (21456856).

Almost surely, 2^75098989 is an apocalyptic number.

It is an amenable number.

75098989 is a deficient number, since it is larger than the sum of its proper divisors (10728435).

75098989 is a wasteful number, since it uses less digits than its factorization.

75098989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10728434.

The product of its (nonzero) digits is 1632960, while the sum is 55.

The square root of 75098989 is about 8665.9672858833. The cubic root of 75098989 is about 421.9017856537.

The spelling of 75098989 in words is "seventy-five million, ninety-eight thousand, nine hundred eighty-nine".