75021275 has 12 divisors (see below), whose sum is σ = 106316112. Its totient is φ = 51443040.

The previous prime is 75021257. The next prime is 75021361. The reversal of 75021275 is 57212057.

It is not a de Polignac number, because 75021275 - 2⁸ = 75021019 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214172 + ... + 214521.

It is an arithmetic number, because the mean of its divisors is an integer number (8859676).

Almost surely, 2^75021275 is an apocalyptic number.

75021275 is a deficient number, since it is larger than the sum of its proper divisors (31294837).

75021275 is a wasteful number, since it uses less digits than its factorization.

75021275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428710 (or 428705 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 75021275 is about 8661.4822634466. The cubic root of 75021275 is about 421.7562045031.

The spelling of 75021275 in words is "seventy-five million, twenty-one thousand, two hundred seventy-five".