75013250 has 32 divisors (see below), whose sum is σ = 151233264. Its totient is φ = 27696000.

The previous prime is 75013241. The next prime is 75013261. The reversal of 75013250 is 5231057.

It can be written as a sum of positive squares in 8 ways, for example, as 34969 + 74978281 = 187^2 + 8659^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8291 + ... + 14790.

Almost surely, 2^75013250 is an apocalyptic number.

75013250 is an abundant number, since it is smaller than the sum of its proper divisors (76220014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75013250 is a wasteful number, since it uses less digits than its factorization.

75013250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23111 (or 23101 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 75013250 is about 8661.0189931670. The cubic root of 75013250 is about 421.7411655948.

The spelling of 75013250 in words is "seventy-five million, thirteen thousand, two hundred fifty".