75229988 has 24 divisors (see below), whose sum is σ = 133957152. Its totient is φ = 36962624.

The previous prime is 75229943. The next prime is 75230017. The reversal of 75229988 is 88992257.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57995 + ... + 59277.

It is an arithmetic number, because the mean of its divisors is an integer number (5581548).

Almost surely, 2^75229988 is an apocalyptic number.

It is an amenable number.

75229988 is a deficient number, since it is larger than the sum of its proper divisors (58727164).

75229988 is a wasteful number, since it uses less digits than its factorization.

75229988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531 (or 1529 counting only the distinct ones).

The product of its digits is 725760, while the sum is 50.

The square root of 75229988 is about 8673.5222372460. The cubic root of 75229988 is about 422.1469580936.

The spelling of 75229988 in words is "seventy-five million, two hundred twenty-nine thousand, nine hundred eighty-eight".