75303256 has 64 divisors (see below), whose sum is σ = 169128000. Its totient is φ = 30750720.

The previous prime is 75303211. The next prime is 75303257. The reversal of 75303256 is 65230357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75303257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144276 + ... + 144796.

It is an arithmetic number, because the mean of its divisors is an integer number (2642625).

Almost surely, 2^75303256 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 75303256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84564000).

75303256 is an abundant number, since it is smaller than the sum of its proper divisors (93824744).

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

75303256 is a wasteful number, since it uses less digits than its factorization.

75303256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 75303256 is about 8677.7448683399. The cubic root of 75303256 is about 422.2839594345.

The spelling of 75303256 in words is "seventy-five million, three hundred three thousand, two hundred fifty-six".