75728283 has 8 divisors (see below), whose sum is σ = 101145408. Its totient is φ = 50398344.

The previous prime is 75728269. The next prime is 75728297. The reversal of 75728283 is 38282757.

It is an interprime number because it is at equal distance from previous prime (75728269) and next prime (75728297).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75728283 - 2²⁰ = 74679707 is a prime.

It is a super-2 number, since 2×75728283² = 11469545692256178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75728383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19741 + ... + 23262.

It is an arithmetic number, because the mean of its divisors is an integer number (12643176).

Almost surely, 2^75728283 is an apocalyptic number.

75728283 is a deficient number, since it is larger than the sum of its proper divisors (25417125).

75728283 is a wasteful number, since it uses less digits than its factorization.

75728283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43593.

The product of its digits is 188160, while the sum is 42.

The square root of 75728283 is about 8702.1998942796. The cubic root of 75728283 is about 423.0769550761.

The spelling of 75728283 in words is "seventy-five million, seven hundred twenty-eight thousand, two hundred eighty-three".