75100225 has 12 divisors (see below), whose sum is σ = 93236220. Its totient is φ = 60008000.

The previous prime is 75100199. The next prime is 75100241. The reversal of 75100225 is 52200157.

It can be written as a sum of positive squares in 6 ways, for example, as 7974976 + 67125249 = 2824^2 + 8193^2 .

It is not a de Polignac number, because 75100225 - 2¹⁹ = 74575937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75100196 and 75100205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31371 + ... + 33679.

It is an arithmetic number, because the mean of its divisors is an integer number (7769685).

Almost surely, 2^75100225 is an apocalyptic number.

It is an amenable number.

75100225 is a deficient number, since it is larger than the sum of its proper divisors (18135995).

75100225 is a wasteful number, since it uses less digits than its factorization.

75100225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620 (or 3615 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 75100225 is about 8666.0385990370. The cubic root of 75100225 is about 421.9041002332.

The spelling of 75100225 in words is "seventy-five million, one hundred thousand, two hundred twenty-five".