75867993 has 12 divisors (see below), whose sum is σ = 109811520. Its totient is φ = 50475096.

The previous prime is 75867983. The next prime is 75868003. The reversal of 75867993 is 39976857.

It is an interprime number because it is at equal distance from previous prime (75867983) and next prime (75868003).

It is not a de Polignac number, because 75867993 - 2²⁰ = 74819417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75867983) 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 11 ways as a sum of consecutive naturals, for example, 3853 + ... + 12906.

It is an arithmetic number, because the mean of its divisors is an integer number (9150960).

Almost surely, 2^75867993 is an apocalyptic number.

It is an amenable number.

75867993 is a deficient number, since it is larger than the sum of its proper divisors (33943527).

75867993 is a wasteful number, since it uses less digits than its factorization.

75867993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17268 (or 17265 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 75867993 is about 8710.2234758931. The cubic root of 75867993 is about 423.3369714005.

The spelling of 75867993 in words is "seventy-five million, eight hundred sixty-seven thousand, nine hundred ninety-three".