75224125 has 16 divisors (see below), whose sum is σ = 94122288. Its totient is φ = 60024000.

The previous prime is 75224117. The next prime is 75224131. The reversal of 75224125 is 52142257.

It can be written as a sum of positive squares in 8 ways, for example, as 11655396 + 63568729 = 3414^2 + 7973^2 .

It is not a de Polignac number, because 75224125 - 2³ = 75224117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75224093 and 75224102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91215 + ... + 92035.

It is an arithmetic number, because the mean of its divisors is an integer number (5882643).

Almost surely, 2^75224125 is an apocalyptic number.

It is an amenable number.

75224125 is a deficient number, since it is larger than the sum of its proper divisors (18898163).

75224125 is an equidigital number, since it uses as much as digits as its factorization.

75224125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569 (or 1559 counting only the distinct ones).

The product of its digits is 5600, while the sum is 28.

The square root of 75224125 is about 8673.1842480141. The cubic root of 75224125 is about 422.1359912262.

The spelling of 75224125 in words is "seventy-five million, two hundred twenty-four thousand, one hundred twenty-five".