75016625 has 16 divisors (see below), whose sum is σ = 94914768. Its totient is φ = 59184000.

The previous prime is 75016609. The next prime is 75016633. The reversal of 75016625 is 52661057.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6574096 + 68442529 = 2564^2 + 8273^2 .

It is not a de Polignac number, because 75016625 - 2⁴ = 75016609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75016591 and 75016600.

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 15 ways as a sum of consecutive naturals, for example, 5015 + ... + 13235.

It is an arithmetic number, because the mean of its divisors is an integer number (5932173).

Almost surely, 2^75016625 is an apocalyptic number.

It is an amenable number.

75016625 is a deficient number, since it is larger than the sum of its proper divisors (19898143).

75016625 is an equidigital number, since it uses as much as digits as its factorization.

75016625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8309 (or 8299 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 75016625 is about 8661.2138294814. The cubic root of 75016625 is about 421.7474905000.

The spelling of 75016625 in words is "seventy-five million, sixteen thousand, six hundred twenty-five".