75105025 has 12 divisors (see below), whose sum is σ = 94037632. Its totient is φ = 59498640.

The previous prime is 75104941. The next prime is 75105049. The reversal of 75105025 is 52050157.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-75105025 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12009 + ... + 17158.

Almost surely, 2^75105025 is an apocalyptic number.

It is an amenable number.

75105025 is a deficient number, since it is larger than the sum of its proper divisors (18932607).

75105025 is a wasteful number, since it uses less digits than its factorization.

75105025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29280 (or 29275 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 75105025 is about 8666.3155377588. The cubic root of 75105025 is about 421.9130886507.

The spelling of 75105025 in words is "seventy-five million, one hundred five thousand, twenty-five".