75889379 has 4 divisors (see below), whose sum is σ = 75961440. Its totient is φ = 75817320.

The previous prime is 75889357. The next prime is 75889393. The reversal of 75889379 is 97398857.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97398857 = 163 ⋅597539.

It is a cyclic number.

It is not a de Polignac number, because 75889379 - 2¹⁶ = 75823843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75880379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34427 + ... + 36564.

It is an arithmetic number, because the mean of its divisors is an integer number (18990360).

Almost surely, 2^75889379 is an apocalyptic number.

75889379 is a deficient number, since it is larger than the sum of its proper divisors (72061).

75889379 is a wasteful number, since it uses less digits than its factorization.

75889379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72060.

The product of its digits is 3810240, while the sum is 56.

The square root of 75889379 is about 8711.4510272400. The cubic root of 75889379 is about 423.3767450194.

The spelling of 75889379 in words is "seventy-five million, eight hundred eighty-nine thousand, three hundred seventy-nine".