75722272 has 24 divisors (see below), whose sum is σ = 150075072. Its totient is φ = 37608000.

The previous prime is 75722263. The next prime is 75722287. The reversal of 75722272 is 27222757.

It is a happy number.

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, 3004 + ... + 12667.

It is an arithmetic number, because the mean of its divisors is an integer number (6253128).

Almost surely, 2^75722272 is an apocalyptic number.

It is an amenable number.

75722272 is a deficient number, since it is larger than the sum of its proper divisors (74352800).

75722272 is a wasteful number, since it uses less digits than its factorization.

75722272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15832 (or 15824 counting only the distinct ones).

The product of its digits is 27440, while the sum is 34.

The square root of 75722272 is about 8701.8545149870. The cubic root of 75722272 is about 423.0657607430.

The spelling of 75722272 in words is "seventy-five million, seven hundred twenty-two thousand, two hundred seventy-two".