75840903 has 6 divisors (see below), whose sum is σ = 109547984. Its totient is φ = 50560596.

The previous prime is 75840899. The next prime is 75840923. The reversal of 75840903 is 30904857.

It is not a de Polignac number, because 75840903 - 2² = 75840899 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 (75840923) 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 5 ways as a sum of consecutive naturals, for example, 4213375 + ... + 4213392.

Almost surely, 2^75840903 is an apocalyptic number.

75840903 is a deficient number, since it is larger than the sum of its proper divisors (33707081).

75840903 is a wasteful number, since it uses less digits than its factorization.

75840903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8426773 (or 8426770 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 75840903 is about 8708.6682678811. The cubic root of 75840903 is about 423.2865787674.

The spelling of 75840903 in words is "seventy-five million, eight hundred forty thousand, nine hundred three".