75900225 has 24 divisors (see below), whose sum is σ = 128554272. Its totient is φ = 39491200.

The previous prime is 75900211. The next prime is 75900239. The reversal of 75900225 is 52200957.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (75900211) and next prime (75900239).

It is not a de Polignac number, because 75900225 - 2¹⁵ = 75867457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75900192 and 75900201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9267 + ... + 15416.

It is an arithmetic number, because the mean of its divisors is an integer number (5356428).

Almost surely, 2^75900225 is an apocalyptic number.

75900225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75900225 is a deficient number, since it is larger than the sum of its proper divisors (52654047).

75900225 is a wasteful number, since it uses less digits than its factorization.

75900225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24737 (or 24732 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 75900225 is about 8712.0735189735. The cubic root of 75900225 is about 423.3969135221.

The spelling of 75900225 in words is "seventy-five million, nine hundred thousand, two hundred twenty-five".