75289389 has 8 divisors (see below), whose sum is σ = 114726720. Its totient is φ = 43022496.

The previous prime is 75289387. The next prime is 75289391. The reversal of 75289389 is 98398257.

It is an interprime number because it is at equal distance from previous prime (75289387) and next prime (75289391).

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

It is not a de Polignac number, because 75289389 - 2¹ = 75289387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75289387) 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, 1792584 + ... + 1792625.

It is an arithmetic number, because the mean of its divisors is an integer number (14340840).

Almost surely, 2^75289389 is an apocalyptic number.

It is an amenable number.

75289389 is a deficient number, since it is larger than the sum of its proper divisors (39437331).

75289389 is a wasteful number, since it uses less digits than its factorization.

75289389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3585219.

The product of its digits is 1088640, while the sum is 51.

The square root of 75289389 is about 8676.9458336445. The cubic root of 75289389 is about 422.2580368230.

The spelling of 75289389 in words is "seventy-five million, two hundred eighty-nine thousand, three hundred eighty-nine".