75355225 has 12 divisors (see below), whose sum is σ = 101935440. Its totient is φ = 54803600.

The previous prime is 75355223. The next prime is 75355249. The reversal of 75355225 is 52255357.

It is not a de Polignac number, because 75355225 - 2¹ = 75355223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75355223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136735 + ... + 137284.

It is an arithmetic number, because the mean of its divisors is an integer number (8494620).

Almost surely, 2^75355225 is an apocalyptic number.

It is an amenable number.

75355225 is a deficient number, since it is larger than the sum of its proper divisors (26580215).

75355225 is a wasteful number, since it uses less digits than its factorization.

75355225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274040 (or 274035 counting only the distinct ones).

The product of its digits is 52500, while the sum is 34.

The square root of 75355225 is about 8680.7387358450. The cubic root of 75355225 is about 422.3810806380.

The spelling of 75355225 in words is "seventy-five million, three hundred fifty-five thousand, two hundred twenty-five".