75728476 has 24 divisors (see below), whose sum is σ = 136328976. Its totient is φ = 36785280.

The previous prime is 75728473. The next prime is 75728503. The reversal of 75728476 is 67482757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75728473) 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, 44595 + ... + 46261.

It is an arithmetic number, because the mean of its divisors is an integer number (5680374).

Almost surely, 2^75728476 is an apocalyptic number.

It is an amenable number.

75728476 is a deficient number, since it is larger than the sum of its proper divisors (60600500).

75728476 is a wasteful number, since it uses less digits than its factorization.

75728476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989 (or 1987 counting only the distinct ones).

The product of its digits is 658560, while the sum is 46.

The square root of 75728476 is about 8702.2109834225. The cubic root of 75728476 is about 423.0773144917.

The spelling of 75728476 in words is "seventy-five million, seven hundred twenty-eight thousand, four hundred seventy-six".