75774228 has 24 divisors (see below), whose sum is σ = 177283680. Its totient is φ = 25189920.

The previous prime is 75774227. The next prime is 75774241. The reversal of 75774228 is 82247757.

It is a self number, because there is not a number n which added to its sum of digits gives 75774228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75774227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3783 + ... + 12878.

It is an arithmetic number, because the mean of its divisors is an integer number (7386820).

Almost surely, 2^75774228 is an apocalyptic number.

It is an amenable number.

75774228 is an abundant number, since it is smaller than the sum of its proper divisors (101509452).

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

75774228 is a wasteful number, since it uses less digits than its factorization.

75774228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17047 (or 17045 counting only the distinct ones).

The product of its digits is 219520, while the sum is 42.

The square root of 75774228 is about 8704.8393437214. The cubic root of 75774228 is about 423.1624992529.

The spelling of 75774228 in words is "seventy-five million, seven hundred seventy-four thousand, two hundred twenty-eight".