75303712 has 96 divisors (see below), whose sum is σ = 171085824. Its totient is φ = 32313600.

The previous prime is 75303703. The next prime is 75303721. The reversal of 75303712 is 21730357.

It is an interprime number because it is at equal distance from previous prime (75303703) and next prime (75303721).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731053 + ... + 731155.

It is an arithmetic number, because the mean of its divisors is an integer number (1782144).

Almost surely, 2^75303712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75303712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85542912).

75303712 is an abundant number, since it is smaller than the sum of its proper divisors (95782112).

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

75303712 is a wasteful number, since it uses less digits than its factorization.

75303712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 75303712 is about 8677.7711424075. The cubic root of 75303712 is about 422.2848118150.

The spelling of 75303712 in words is "seventy-five million, three hundred three thousand, seven hundred twelve".