75055025 has 12 divisors (see below), whose sum is σ = 93697500. Its totient is φ = 59638080.

The previous prime is 75055007. The next prime is 75055027. The reversal of 75055025 is 52055057.

It can be written as a sum of positive squares in 6 ways, for example, as 10349089 + 64705936 = 3217^2 + 8044^2 .

It is not a de Polignac number, because 75055025 - 2⁶ = 75054961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75055027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6350 + ... + 13799.

It is an arithmetic number, because the mean of its divisors is an integer number (7808125).

Almost surely, 2^75055025 is an apocalyptic number.

It is an amenable number.

75055025 is a deficient number, since it is larger than the sum of its proper divisors (18642475).

75055025 is a wasteful number, since it uses less digits than its factorization.

75055025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20308 (or 20303 counting only the distinct ones).

The product of its (nonzero) digits is 8750, while the sum is 29.

The square root of 75055025 is about 8663.4303252234. The cubic root of 75055025 is about 421.8194405114.

The spelling of 75055025 in words is "seventy-five million, fifty-five thousand, twenty-five".