75728294 has 12 divisors (see below), whose sum is σ = 115067484. Its totient is φ = 37378692.

The previous prime is 75728269. The next prime is 75728297. The reversal of 75728294 is 49282757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75728297) 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 5 ways as a sum of consecutive naturals, for example, 9449 + ... + 15515.

It is an arithmetic number, because the mean of its divisors is an integer number (9588957).

Almost surely, 2^75728294 is an apocalyptic number.

75728294 is a deficient number, since it is larger than the sum of its proper divisors (39339190).

75728294 is an equidigital number, since it uses as much as digits as its factorization.

75728294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227 (or 6148 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 75728294 is about 8702.2005263037. The cubic root of 75728294 is about 423.0769755609.

The spelling of 75728294 in words is "seventy-five million, seven hundred twenty-eight thousand, two hundred ninety-four".