75315255 has 16 divisors (see below), whose sum is σ = 121275744. Its totient is φ = 39911040.

The previous prime is 75315241. The next prime is 75315257. The reversal of 75315255 is 55251357.

It is not a de Polignac number, because 75315255 - 2²³ = 66926647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75315257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13636 + ... + 18345.

It is an arithmetic number, because the mean of its divisors is an integer number (7579734).

Almost surely, 2^75315255 is an apocalyptic number.

75315255 is a deficient number, since it is larger than the sum of its proper divisors (45960489).

75315255 is a wasteful number, since it uses less digits than its factorization.

75315255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32146.

The product of its digits is 26250, while the sum is 33.

The square root of 75315255 is about 8678.4362070594. The cubic root of 75315255 is about 422.3063874869.

The spelling of 75315255 in words is "seventy-five million, three hundred fifteen thousand, two hundred fifty-five".