75949443 has 12 divisors (see below), whose sum is σ = 109890040. Its totient is φ = 50547456.

The previous prime is 75949373. The next prime is 75949457. The reversal of 75949443 is 34494957.

It is a happy number.

It is not a de Polignac number, because 75949443 - 2⁸ = 75949187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75949483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1246 + ... + 12387.

Almost surely, 2^75949443 is an apocalyptic number.

75949443 is a deficient number, since it is larger than the sum of its proper divisors (33940597).

75949443 is a wasteful number, since it uses less digits than its factorization.

75949443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14258 (or 14255 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 75949443 is about 8714.8977618788. The cubic root of 75949443 is about 423.4884119182.

The spelling of 75949443 in words is "seventy-five million, nine hundred forty-nine thousand, four hundred forty-three".