75072118 has 16 divisors (see below), whose sum is σ = 123125184. Its totient is φ = 34045960.

The previous prime is 75072091. The next prime is 75072121. The reversal of 75072118 is 81127057.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 75072118.

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 7 ways as a sum of consecutive naturals, for example, 6621 + ... + 13927.

It is an arithmetic number, because the mean of its divisors is an integer number (7695324).

Almost surely, 2^75072118 is an apocalyptic number.

75072118 is a deficient number, since it is larger than the sum of its proper divisors (48053066).

75072118 is a wasteful number, since it uses less digits than its factorization.

75072118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7787.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 75072118 is about 8664.4167720626. The cubic root of 75072118 is about 421.8514597418.

The spelling of 75072118 in words is "seventy-five million, seventy-two thousand, one hundred eighteen".