75056224 has 48 divisors (see below), whose sum is σ = 157335696. Its totient is φ = 35123200.

The previous prime is 75056167. The next prime is 75056243. The reversal of 75056224 is 42265057.

It is a super-2 number, since 2×75056224² = 11266873522276352, which contains 22 as substring.

It is a congruent number.

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, 152619 + ... + 153109.

It is an arithmetic number, because the mean of its divisors is an integer number (3277827).

Almost surely, 2^75056224 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 75056224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78667848).

75056224 is an abundant number, since it is smaller than the sum of its proper divisors (82279472).

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

75056224 is a wasteful number, since it uses less digits than its factorization.

75056224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 75056224 is about 8663.4995238645. The cubic root of 75056224 is about 421.8216866804.

The spelling of 75056224 in words is "seventy-five million, fifty-six thousand, two hundred twenty-four".