75320256 has 112 divisors (see below), whose sum is σ = 228965760. Its totient is φ = 21611520.

The previous prime is 75320249. The next prime is 75320281. The reversal of 75320256 is 65202357.

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 15 ways as a sum of consecutive naturals, for example, 39190 + ... + 41066.

Almost surely, 2^75320256 is an apocalyptic number.

75320256 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75320256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114482880).

75320256 is an abundant number, since it is smaller than the sum of its proper divisors (153645504).

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

75320256 is a wasteful number, since it uses less digits than its factorization.

75320256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922 (or 1912 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 75320256 is about 8678.7243302227. The cubic root of 75320256 is about 422.3157344534.

The spelling of 75320256 in words is "seventy-five million, three hundred twenty thousand, two hundred fifty-six".