75728083 has 8 divisors (see below), whose sum is σ = 77533056. Its totient is φ = 73944000.

The previous prime is 75728033. The next prime is 75728101. The reversal of 75728083 is 38082757.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75728083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75728033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2238 + ... + 12508.

It is an arithmetic number, because the mean of its divisors is an integer number (9691632).

Almost surely, 2^75728083 is an apocalyptic number.

75728083 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

75728083 is a deficient number, since it is larger than the sum of its proper divisors (1804973).

75728083 is a wasteful number, since it uses less digits than its factorization.

75728083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10445.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 75728083 is about 8702.1884029249. The cubic root of 75728083 is about 423.0765826240.

The spelling of 75728083 in words is "seventy-five million, seven hundred twenty-eight thousand, eighty-three".