75081244 has 12 divisors (see below), whose sum is σ = 150162544. Its totient is φ = 32177664.

The previous prime is 75081239. The next prime is 75081247. The reversal of 75081244 is 44218057.

75081244 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75081247) by changing a digit.

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, 1340709 + ... + 1340764.

Almost surely, 2^75081244 is an apocalyptic number.

It is an amenable number.

75081244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75081244 is a wasteful number, since it uses less digits than its factorization.

75081244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681484 (or 2681482 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 75081244 is about 8664.9433927753. The cubic root of 75081244 is about 421.8685529074.

The spelling of 75081244 in words is "seventy-five million, eighty-one thousand, two hundred forty-four".