75916943 has 4 divisors (see below), whose sum is σ = 76341240. Its totient is φ = 75492648.

The previous prime is 75916937. The next prime is 75916949. The reversal of 75916943 is 34961957.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (75916937) and next prime (75916949).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75916943 is a prime.

It is a super-3 number, since 3×75916943³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75916894 and 75916903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75916949) 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, 211880 + ... + 212237.

It is an arithmetic number, because the mean of its divisors is an integer number (19085310).

Almost surely, 2^75916943 is an apocalyptic number.

75916943 is a deficient number, since it is larger than the sum of its proper divisors (424297).

75916943 is a wasteful number, since it uses less digits than its factorization.

75916943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424296.

The product of its digits is 204120, while the sum is 44.

The square root of 75916943 is about 8713.0329392239. The cubic root of 75916943 is about 423.4279974438.

The spelling of 75916943 in words is "seventy-five million, nine hundred sixteen thousand, nine hundred forty-three".