75972272 has 20 divisors (see below), whose sum is σ = 149271696. Its totient is φ = 37450560.

The previous prime is 75972233. The next prime is 75972287. The reversal of 75972272 is 27227957.

It is a super-2 number, since 2×75972272² = 11543572225683968, which contains 22 as substring.

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, 32303 + ... + 34574.

Almost surely, 2^75972272 is an apocalyptic number.

It is an amenable number.

75972272 is a deficient number, since it is larger than the sum of its proper divisors (73299424).

75972272 is a wasteful number, since it uses less digits than its factorization.

75972272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66956 (or 66950 counting only the distinct ones).

The product of its digits is 123480, while the sum is 41.

The square root of 75972272 is about 8716.2074321347. The cubic root of 75972272 is about 423.5308385996.

The spelling of 75972272 in words is "seventy-five million, nine hundred seventy-two thousand, two hundred seventy-two".