75749272 has 16 divisors (see below), whose sum is σ = 142176240. Its totient is φ = 37835616.

The previous prime is 75749237. The next prime is 75749291. The reversal of 75749272 is 27294757.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4413 + ... + 13075.

It is an arithmetic number, because the mean of its divisors is an integer number (8886015).

Almost surely, 2^75749272 is an apocalyptic number.

It is an amenable number.

75749272 is a deficient number, since it is larger than the sum of its proper divisors (66426968).

75749272 is a wasteful number, since it uses less digits than its factorization.

75749272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9762 (or 9758 counting only the distinct ones).

The product of its digits is 246960, while the sum is 43.

The square root of 75749272 is about 8703.4057701569. The cubic root of 75749272 is about 423.1160384127.

The spelling of 75749272 in words is "seventy-five million, seven hundred forty-nine thousand, two hundred seventy-two".