75358225 has 12 divisors (see below), whose sum is σ = 93573004. Its totient is φ = 60203520.

The previous prime is 75358223. The next prime is 75358243. The reversal of 75358225 is 52285357.

It can be written as a sum of positive squares in 6 ways, for example, as 2563201 + 72795024 = 1601^2 + 8532^2 .

It is not a de Polignac number, because 75358225 - 2¹ = 75358223 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75358223) 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, 21817 + ... + 25033.

Almost surely, 2^75358225 is an apocalyptic number.

It is an amenable number.

75358225 is a deficient number, since it is larger than the sum of its proper divisors (18214779).

75358225 is a wasteful number, since it uses less digits than its factorization.

75358225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164 (or 4159 counting only the distinct ones).

The product of its digits is 84000, while the sum is 37.

The square root of 75358225 is about 8680.9115304788. The cubic root of 75358225 is about 422.3866857633.

The spelling of 75358225 in words is "seventy-five million, three hundred fifty-eight thousand, two hundred twenty-five".