75299272 has 16 divisors (see below), whose sum is σ = 141292800. Its totient is φ = 37621200.

The previous prime is 75299243. The next prime is 75299351. The reversal of 75299272 is 27299257.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11397 + ... + 16747.

It is an arithmetic number, because the mean of its divisors is an integer number (8830800).

Almost surely, 2^75299272 is an apocalyptic number.

It is an amenable number.

75299272 is a deficient number, since it is larger than the sum of its proper divisors (65993528).

75299272 is a wasteful number, since it uses less digits than its factorization.

75299272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7116 (or 7112 counting only the distinct ones).

The product of its digits is 158760, while the sum is 43.

The square root of 75299272 is about 8677.5153125765. The cubic root of 75299272 is about 422.2765121736.

The spelling of 75299272 in words is "seventy-five million, two hundred ninety-nine thousand, two hundred seventy-two".