75036225 has 48 divisors (see below), whose sum is σ = 142490880. Its totient is φ = 34459200.

The previous prime is 75036217. The next prime is 75036239. The reversal of 75036225 is 52263057.

It is not a de Polignac number, because 75036225 - 2³ = 75036217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75036192 and 75036201.

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 47 ways as a sum of consecutive naturals, for example, 13282 + ... + 18068.

It is an arithmetic number, because the mean of its divisors is an integer number (2968560).

Almost surely, 2^75036225 is an apocalyptic number.

75036225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75036225 is a deficient number, since it is larger than the sum of its proper divisors (67454655).

75036225 is a wasteful number, since it uses less digits than its factorization.

75036225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830 (or 4825 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 75036225 is about 8662.3452367127. The cubic root of 75036225 is about 421.7842180521.

The spelling of 75036225 in words is "seventy-five million, thirty-six thousand, two hundred twenty-five".