75726228 has 48 divisors (see below), whose sum is σ = 187838784. Its totient is φ = 23662080.

The previous prime is 75726181. The next prime is 75726247. The reversal of 75726228 is 82262757.

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, 64083 + ... + 65253.

It is an arithmetic number, because the mean of its divisors is an integer number (3913308).

Almost surely, 2^75726228 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 75726228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93919392).

75726228 is an abundant number, since it is smaller than the sum of its proper divisors (112112556).

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

75726228 is a wasteful number, since it uses less digits than its factorization.

75726228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512 (or 1510 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 75726228 is about 8702.0818198865. The cubic root of 75726228 is about 423.0731280999.

The spelling of 75726228 in words is "seventy-five million, seven hundred twenty-six thousand, two hundred twenty-eight".