75057315 has 48 divisors (see below), whose sum is σ = 129040128. Its totient is φ = 37242432.

The previous prime is 75057313. The next prime is 75057319. The reversal of 75057315 is 51375057.

It is not a de Polignac number, because 75057315 - 2¹ = 75057313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75057313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 449362 + ... + 449528.

It is an arithmetic number, because the mean of its divisors is an integer number (2688336).

Almost surely, 2^75057315 is an apocalyptic number.

75057315 is a deficient number, since it is larger than the sum of its proper divisors (53982813).

75057315 is a wasteful number, since it uses less digits than its factorization.

75057315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 18375, while the sum is 33.

The square root of 75057315 is about 8663.5624889534. The cubic root of 75057315 is about 421.8237305048.

The spelling of 75057315 in words is "seventy-five million, fifty-seven thousand, three hundred fifteen".